{"id":"CVE-2026-48694","aliases":["DEBIAN-CVE-2026-48694","EUVD-2026-31948","GHSA-f98m-cp3g-ghc5","UBUNTU-CVE-2026-48694","USN-8429-1"],"status":"published","title":"FastNetMon Community Edition through 1.2.9 contains a configuration injection vulnerability in...","description":"FastNetMon Community Edition through 1.2.9 contains a configuration injection vulnerability in the Juniper router integration plugin. In src/juniper_plugin/fastnetmon_juniper.php, the $IP_ATTACK variable (received from argv[1]) is directly interpolated into Juniper NETCONF set-configuration commands at lines 69 and 90 without any validation or sanitization. Line 69: $conn-\u003eload_set_configuration(\"set routing-options static route {$IP_ATTACK} community 65535:666 discard\"). Line 90: $conn-\u003eload_set_configuration(\"delete routing-options static route {$IP_ATTACK}/32\"). An attacker who can control the IP address string can inject additional Juniper CLI configuration commands by embedding newline characters followed by arbitrary set/delete commands. This could modify the router's routing table, firewall filters, user accounts, or any other configuration element accessible via NETCONF. The impact is full router compromise.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00234,"percentile":0.14427,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-77","CWE-78"],"published":"2026-05-26T00:00:00Z","modified":"2026-10-28T02:31:08Z","fixes":[{"ecosystem":"Debian:13","package":"fastnetmon","fixed_in":["1.2.9-0+deb13u1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"fastnetmon","fixed_in":["1.2.9-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:20.04:LTS","package":"fastnetmon","fixed_in":["1.1.4-1ubuntu0.1~esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:24.04:LTS","package":"fastnetmon","fixed_in":["1.2.6-1ubuntu0.1~esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:26.04:LTS","package":"fastnetmon","fixed_in":["1.2.8+git20250911-2ubuntu0.1~esm1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"fastnetmon","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.4-2","1.2.4-2+deb12u1","1.2.5-1","1.2.5-2","1.2.5-2~bpo12+1","1.2.6-1","1.2.6-1~bpo12+1","1.2.7-1","1.2.7-1~bpo12+1","1.2.8+git20250911-1","1.2.8+git20250911-2","1.2.8-1","1.2.8-1~bpo12+1","1.2.9-1"]},{"source":"osv","ecosystem":"Debian:13","package":"fastnetmon","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.9-0+deb13u1"}]}],"versions":["1.2.8+git20250911-1","1.2.8+git20250911-2","1.2.8-1"]},{"source":"osv","ecosystem":"Debian:14","package":"fastnetmon","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.9-1"}]}],"versions":["1.2.8+git20250911-1","1.2.8+git20250911-2","1.2.8-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"fastnetmon","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.4-1ubuntu0.1~esm1"}]}],"versions":["1.1.4-1","1.1.4-1build3","1.1.4-1build4","1.1.4-1build5"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"fastnetmon","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.6-1ubuntu0.1~esm1"}]}],"versions":["1.2.5-1","1.2.6-1","1.2.6-1build1","1.2.6-1build2","1.2.6-1build3","1.2.6-1build4"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"fastnetmon","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.8-1build1","1.2.8-1build2","1.2.8+git20250911-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"fastnetmon","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.8+git20250911-2","1.2.9-1","1.2.9-1build1","1.2.9-1build2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:26.04:LTS","package":"fastnetmon","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.8+git20250911-2ubuntu0.1~esm1"}]}],"versions":["1.2.8+git20250911-1","1.2.8+git20250911-1build1","1.2.8+git20250911-1build2","1.2.8+git20250911-2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"fastnetmon","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.4-1ubuntu0.1~esm1"}]}],"versions":["1.1.4-1","1.1.4-1build3","1.1.4-1build4","1.1.4-1build5"],"bundled":5},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"fastnetmon","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.6-1ubuntu0.1~esm1"}]}],"versions":["1.2.5-1","1.2.6-1","1.2.6-1build1","1.2.6-1build2","1.2.6-1build3","1.2.6-1build4"],"bundled":5},{"source":"osv","ecosystem":"Ubuntu:Pro:26.04:LTS","package":"fastnetmon","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.8+git20250911-2ubuntu0.1~esm1"}]}],"versions":["1.2.8+git20250911-1","1.2.8+git20250911-1build1","1.2.8+git20250911-1build2","1.2.8+git20250911-2"],"bundled":5}],"products":[{"vendor":"pavel-odintsov","product":"fastnetmon"}],"references":[{"url":"https://github.com/pavel-odintsov/fastnetmon","tags":["Product","package","report"]},{"url":"https://lorikeetsecurity.com/blog/fastnetmon-cve-2026-48694-juniper-netconf-injection","tags":["Third Party Advisory","article","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48694","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-f98m-cp3g-ghc5"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48694.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-48694","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-48694","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-48694","tags":["report"]},{"url":"https://github.com/pavel-odintsov/fastnetmon/pull/1049","tags":["report"]},{"url":"https://github.com/pavel-odintsov/fastnetmon/commit/6f58184fb60248df011c4c379bf445e07609ad27","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-8429-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-48686","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-48687","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-48689","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-48691","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-48694","description":"FastNetMon Community Edition through 1.2.9 contains a configuration injection vulnerability in the Juniper router integration plugin. In src/juniper_plugin/fastnetmon_juniper.php, the $IP_ATTACK variable (received from argv[1]) is directly interpolated into Juniper NETCONF set-configuration commands at lines 69 and 90 without any validation or sanitization. Line 69: $conn-\u003eload_set_configuration(\"set routing-options static route {$IP_ATTACK} community 65535:666 discard\"). Line 90: $conn-\u003eload_set_configuration(\"delete routing-options static route {$IP_ATTACK}/32\"). An attacker who can control the IP address string can inject additional Juniper CLI configuration commands by embedding newline characters followed by arbitrary set/delete commands. This could modify the router's routing table, firewall filters, user accounts, or any other configuration element accessible via NETCONF. The impact is full router compromise.","status":"published","published":"2026-05-26T00:00:00Z","modified":"2026-05-26T20:27:50.669Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:19:47.998488Z"}],"euvd":[{"id":"EUVD-2026-31948","description":"FastNetMon Community Edition through 1.2.9 contains a configuration injection vulnerability in the Juniper router integration plugin. In src/juniper_plugin/fastnetmon_juniper.php, the $IP_ATTACK variable (received from argv[1]) is directly interpolated into Juniper NETCONF set-configuration commands at lines 69 and 90 without any validation or sanitization. Line 69: $conn-\u003eload_set_configuration(\"set routing-options static route {$IP_ATTACK} community 65535:666 discard\"). Line 90: $conn-\u003eload_set_configuration(\"delete routing-options static route {$IP_ATTACK}/32\"). An attacker who can control the IP address string can inject additional Juniper CLI configuration commands by embedding newline characters followed by arbitrary set/delete commands. This could modify the router's routing table, firewall filters, user accounts, or any other configuration element accessible via NETCONF. The impact is full router compromise.","status":"published","published":"2026-05-26T00:00:00Z","modified":"2026-05-26T20:27:50Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T18:21:06.423934Z"}],"ghsa":[{"id":"GHSA-f98m-cp3g-ghc5","title":"FastNetMon Community Edition through 1.2.9 contains a configuration injection vulnerability in...","description":"FastNetMon Community Edition through 1.2.9 contains a configuration injection vulnerability in the Juniper router integration plugin. In src/juniper_plugin/fastnetmon_juniper.php, the $IP_ATTACK variable (received from argv[1]) is directly interpolated into Juniper NETCONF set-configuration commands at lines 69 and 90 without any validation or sanitization. Line 69: $conn-\u003eload_set_configuration(\"set routing-options static route {$IP_ATTACK} community 65535:666 discard\"). Line 90: $conn-\u003eload_set_configuration(\"delete routing-options static route {$IP_ATTACK}/32\"). An attacker who can control the IP address string can inject additional Juniper CLI configuration commands by embedding newline characters followed by arbitrary set/delete commands. This could modify the router's routing table, firewall filters, user accounts, or any other configuration element accessible via NETCONF. The impact is full router compromise.","status":"published","published":"2026-05-26T18:31:50Z","modified":"2026-05-27T18:32:39Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-77","CWE-78"],"updated_at":"2026-11-02T15:08:21.006908Z"}],"nvd":[{"id":"CVE-2026-48694","description":"FastNetMon Community Edition through 1.2.9 contains a configuration injection vulnerability in the Juniper router integration plugin. In src/juniper_plugin/fastnetmon_juniper.php, the $IP_ATTACK variable (received from argv[1]) is directly interpolated into Juniper NETCONF set-configuration commands at lines 69 and 90 without any validation or sanitization. Line 69: $conn-\u003eload_set_configuration(\"set routing-options static route {$IP_ATTACK} community 65535:666 discard\"). Line 90: $conn-\u003eload_set_configuration(\"delete routing-options static route {$IP_ATTACK}/32\"). An attacker who can control the IP address string can inject additional Juniper CLI configuration commands by embedding newline characters followed by arbitrary set/delete commands. This could modify the router's routing table, firewall filters, user accounts, or any other configuration element accessible via NETCONF. The impact is full router compromise.","status":"published","published":"2026-05-26T18:16:52.84Z","modified":"2026-07-24T11:10:00.17Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"primary"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-77","CWE-78"],"updated_at":"2026-11-02T14:12:20.511562Z"}],"osv":[{"id":"CVE-2026-48694","description":"FastNetMon Community Edition through 1.2.9 contains a configuration injection vulnerability in the Juniper router integration plugin. In src/juniper_plugin/fastnetmon_juniper.php, the $IP_ATTACK variable (received from argv[1]) is directly interpolated into Juniper NETCONF set-configuration commands at lines 69 and 90 without any validation or sanitization. Line 69: $conn-\u003eload_set_configuration(\"set routing-options static route {$IP_ATTACK} community 65535:666 discard\"). Line 90: $conn-\u003eload_set_configuration(\"delete routing-options static route {$IP_ATTACK}/32\"). An attacker who can control the IP address string can inject additional Juniper CLI configuration commands by embedding newline characters followed by arbitrary set/delete commands. This could modify the router's routing table, firewall filters, user accounts, or any other configuration element accessible via NETCONF. The impact is full router compromise.","status":"published","published":"2026-05-26T00:00:00Z","modified":"2026-10-28T02:31:08.887299633Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:06.701612Z"},{"id":"DEBIAN-CVE-2026-48694","description":"FastNetMon Community Edition through 1.2.9 contains a configuration injection vulnerability in the Juniper router integration plugin. In src/juniper_plugin/fastnetmon_juniper.php, the $IP_ATTACK variable (received from argv[1]) is directly interpolated into Juniper NETCONF set-configuration commands at lines 69 and 90 without any validation or sanitization. Line 69: $conn-\u003eload_set_configuration(\"set routing-options static route {$IP_ATTACK} community 65535:666 discard\"). Line 90: $conn-\u003eload_set_configuration(\"delete routing-options static route {$IP_ATTACK}/32\"). An attacker who can control the IP address string can inject additional Juniper CLI configuration commands by embedding newline characters followed by arbitrary set/delete commands. This could modify the router's routing table, firewall filters, user accounts, or any other configuration element accessible via NETCONF. The impact is full router compromise.","status":"published","published":"2026-05-26T18:16:52.84Z","modified":"2026-10-01T03:03:16.501558125Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:56.444225Z"},{"id":"UBUNTU-CVE-2026-48694","description":"FastNetMon Community Edition through 1.2.9 contains a configuration injection vulnerability in the Juniper router integration plugin. In src/juniper_plugin/fastnetmon_juniper.php, the $IP_ATTACK variable (received from argv[1]) is directly interpolated into Juniper NETCONF set-configuration commands at lines 69 and 90 without any validation or sanitization. Line 69: $conn-\u003eload_set_configuration(\"set routing-options static route {$IP_ATTACK} community 65535:666 discard\"). Line 90: $conn-\u003eload_set_configuration(\"delete routing-options static route {$IP_ATTACK}/32\"). An attacker who can control the IP address string can inject additional Juniper CLI configuration commands by embedding newline characters followed by arbitrary set/delete commands. This could modify the router's routing table, firewall filters, user accounts, or any other configuration element accessible via NETCONF. The impact is full router compromise.","status":"published","published":"2026-05-26T18:16:00Z","modified":"2026-10-17T12:58:31.609496576Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T16:56:33.391918Z"},{"id":"USN-8429-1","title":"fastnetmon vulnerabilities","description":"It was discovered that FastNetMon incorrectly validated prefix lengths when\ndecoding BGP NLRI data. A remote attacker could possibly use this issue to\ncause a denial of service or execute arbitrary code. This issue only\naffected Ubuntu 24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-48686)\n\nIt was discovered that FastNetMon incorrectly sanitized input in the\nJuniper router integration plugin. An attacker could possibly use this\nissue to execute arbitrary commands. (CVE-2026-48687)\n\nIt was discovered that FastNetMon incorrectly handled buffer bounds checks\nwhen processing network traffic. A remote attacker could possibly use this\nissue to cause a denial of service or execute arbitrary code. This issue\nonly affected Ubuntu 24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-48689)\n\nIt was discovered that FastNetMon incorrectly handled encoding the BGP\nAS_PATH attribute. A remote attacker could possibly use this issue to cause\na denial of service or execute arbitrary code. This issue only affected\nUbuntu 24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-48691)\n\nIt was discovered that FastNetMon incorrectly validated IP address input in\nthe Juniper router integration plugin. An attacker could possibly use this\nissue to inject arbitrary router configuration commands. (CVE-2026-48694)","status":"published","published":"2026-06-15T16:11:00Z","modified":"2026-06-16T05:14:18.252687362Z","updated_at":"2026-11-02T16:58:25.103481Z"}]}}