{"id":"CVE-2025-30659","aliases":["EUVD-2025-10510","GHSA-g6r3-vqhr-8438"],"status":"published","title":"Junos OS: SRX Series: A device configured for vector routing crashes when receiving malformed traffic","description":"An Improper Handling of Length Parameter Inconsistency vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).\n\nWhen a device configured for Secure Vector Routing (SVR) receives a specifically malformed packet the PFE will crash and restart.\nThis issue affects Junos OS on SRX Series:\n\n\n\n  *  All 21.4 versions,\n  *  22.2 versions before 22.2R3-S6,\n  *  22.4 versions before 22.4R3-S6,\n  *  23.2 versions before 23.2R2-S3,\n  *  23.4 versions before 23.4R2-S4,\n  *  24.2 versions before 24.2R2.\n\n\n\n\nThis issue does not affect versions before 21.4.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/RE:M","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00433,"percentile":0.37872,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-130"],"published":"2025-04-09T20:03:23Z","modified":"2026-06-17T09:09:07Z","products":[{"vendor":"juniper","product":"junos"},{"vendor":"juniper networks","product":"junos os"}],"references":[{"url":"https://supportportal.juniper.net/JSA96470","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-30659"},{"url":"https://github.com/advisories/GHSA-g6r3-vqhr-8438"}],"sources":{"cve":[{"id":"CVE-2025-30659","title":"Junos OS: SRX Series: A device configured for vector routing crashes when receiving malformed traffic","description":"An Improper Handling of Length Parameter Inconsistency vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).\n\nWhen a device configured for Secure Vector Routing (SVR) receives a specifically malformed packet the PFE will crash and restart.\nThis issue affects Junos OS on SRX Series:\n\n\n\n  *  All 21.4 versions,\n  *  22.2 versions before 22.2R3-S6,\n  *  22.4 versions before 22.4R3-S6,\n  *  23.2 versions before 23.2R2-S3,\n  *  23.4 versions before 23.4R2-S4,\n  *  24.2 versions before 24.2R2.\n\n\n\n\nThis issue does not affect versions before 21.4.","status":"published","published":"2025-04-09T20:03:23.936Z","modified":"2025-04-09T20:30:38.589Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/RE:M","level":"high","assessor":"cna"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-130"],"updated_at":"2026-11-02T14:32:35.418416Z"}],"euvd":[{"id":"EUVD-2025-10510","description":"An Improper Handling of Length Parameter Inconsistency vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).\n\nWhen a device configured for Secure Vector Routing (SVR) receives a specifically malformed packet the PFE will crash and restart.\nThis issue affects Junos OS on SRX Series:\n\n\n\n  *  All 21.4 versions,\n  *  22.2 versions before 22.2R3-S6,\n  *  22.4 versions before 22.4R3-S6,\n  *  23.2 versions before 23.2R2-S3,\n  *  23.4 versions before 23.4R2-S4,\n  *  24.2 versions before 24.2R2.\n\n\n\n\nThis issue does not affect versions before 21.4.","status":"published","published":"2025-04-09T20:03:23Z","modified":"2025-04-09T20:30:38Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/RE:M","level":"high"}],"updated_at":"2026-11-02T20:52:37.733624Z"}],"ghsa":[{"id":"GHSA-g6r3-vqhr-8438","title":"An Improper Handling of Length Parameter Inconsistency vulnerability in the Packet Forwarding...","description":"An Improper Handling of Length Parameter Inconsistency vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).\n\nWhen a device configured for Secure Vector Routing (SVR) receives a specifically malformed packet the PFE will crash and restart.\nThis issue affects Junos OS on SRX Series:\n\n\n\n  *  All 21.4 versions,\n  *  22.2 versions before 22.2R3-S6,\n  *  22.4 versions before 22.4R3-S6,\n  *  23.2 versions before 23.2R2-S3,\n  *  23.4 versions before 23.4R2-S4,\n  *  24.2 versions before 24.2R2.\n\n\n\n\nThis issue does not affect versions before 21.4.","status":"published","published":"2025-04-09T21:31:44Z","modified":"2025-04-09T21:31:51Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:A/V:X/RE:M/U:X","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-130"],"updated_at":"2026-11-02T15:01:03.275422Z"}],"nvd":[{"id":"CVE-2025-30659","description":"An Improper Handling of Length Parameter Inconsistency vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).\n\nWhen a device configured for Secure Vector Routing (SVR) receives a specifically malformed packet the PFE will crash and restart.\nThis issue affects Junos OS on SRX Series:\n\n\n\n  *  All 21.4 versions,\n  *  22.2 versions before 22.2R3-S6,\n  *  22.4 versions before 22.4R3-S6,\n  *  23.2 versions before 23.2R2-S3,\n  *  23.4 versions before 23.4R2-S4,\n  *  24.2 versions before 24.2R2.\n\n\n\n\nThis issue does not affect versions before 21.4.","status":"published","published":"2025-04-09T20:15:30.13Z","modified":"2026-06-17T09:09:07.817Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:A/V:X/RE:M/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-130"],"updated_at":"2026-11-02T14:11:00.087098Z"}]}}