{"id":"CVE-2025-30651","aliases":["EUVD-2025-10509","GHSA-pw2h-44xr-w79v"],"status":"published","title":"Junos OS and Junos OS Evolved: Receipt of a specific ICMPv6 packet causes a memory overrun leading to an rpd crash","description":"A Buffer Access with Incorrect Length Value vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).\nWhen an attacker sends a specific ICMPv6 packet to an interface with \"protocols router-advertisement\" configured, rpd crashes and restarts. Continued receipt of this packet will cause a sustained DoS condition. \n\n\n\n\nThis issue only affects systems configured with IPv6.\n\n\n\nThis issue affects Junos OS: \n\n\n  *  All versions before 21.2R3-S9, \n  *  from 21.4 before 21.4R3-S10, \n  *  from 22.2 before 22.2R3-S6, \n  *  from 22.4 before 22.4R3-S4, \n  *  from 23.2 before 23.2R2-S2, \n  *  from 23.4 before 23.4R2; \n\n\n\nand Junos OS Evolved: \n  *  All versions before 21.2R3-S9-EVO, \n  *  from 21.4-EVO before 21.4R3-S10-EVO, \n  *  from 22.2-EVO before 22.2R3-S6-EVO, \n  *  from 22.4-EVO before 22.4R3-S4-EVO, \n  *  from 23.2-EVO before 23.2R2-S2-EVO, \n  *  from 23.4-EVO before 23.4R2-EVO.","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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00433,"percentile":0.37996,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-805"],"published":"2025-04-09T19:56:28Z","modified":"2026-06-17T09:09:06Z","products":[{"vendor":"juniper","product":"junos"},{"vendor":"juniper","product":"junos_os_evolved"},{"vendor":"juniper networks","product":"junos os"},{"vendor":"juniper networks","product":"junos os evolved"}],"references":[{"url":"https://supportportal.juniper.net/JSA96461","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-30651"},{"url":"https://github.com/advisories/GHSA-pw2h-44xr-w79v"}],"sources":{"cve":[{"id":"CVE-2025-30651","title":"Junos OS and Junos OS Evolved: Receipt of a specific ICMPv6 packet causes a memory overrun leading to an rpd crash","description":"A Buffer Access with Incorrect Length Value vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).\nWhen an attacker sends a specific ICMPv6 packet to an interface with \"protocols router-advertisement\" configured, rpd crashes and restarts. Continued receipt of this packet will cause a sustained DoS condition. \n\n\n\n\nThis issue only affects systems configured with IPv6.\n\n\n\nThis issue affects Junos OS: \n\n\n  *  All versions before 21.2R3-S9, \n  *  from 21.4 before 21.4R3-S10, \n  *  from 22.2 before 22.2R3-S6, \n  *  from 22.4 before 22.4R3-S4, \n  *  from 23.2 before 23.2R2-S2, \n  *  from 23.4 before 23.4R2; \n\n\n\nand Junos OS Evolved: \n  *  All versions before 21.2R3-S9-EVO, \n  *  from 21.4-EVO before 21.4R3-S10-EVO, \n  *  from 22.2-EVO before 22.2R3-S6-EVO, \n  *  from 22.4-EVO before 22.4R3-S4-EVO, \n  *  from 23.2-EVO before 23.2R2-S2-EVO, \n  *  from 23.4-EVO before 23.4R2-EVO.","status":"published","published":"2025-04-09T19:56:28.305Z","modified":"2025-04-09T20:36:41.381Z","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","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-805"],"updated_at":"2026-11-02T14:32:35.099955Z"}],"euvd":[{"id":"EUVD-2025-10509","description":"A Buffer Access with Incorrect Length Value vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).\nWhen an attacker sends a specific ICMPv6 packet to an interface with \"protocols router-advertisement\" configured, rpd crashes and restarts. Continued receipt of this packet will cause a sustained DoS condition. \n\n\n\n\nThis issue only affects systems configured with IPv6.\n\n\n\nThis issue affects Junos OS: \n\n\n  *  All versions before 21.2R3-S9, \n  *  from 21.4 before 21.4R3-S10, \n  *  from 22.2 before 22.2R3-S6, \n  *  from 22.4 before 22.4R3-S4, \n  *  from 23.2 before 23.2R2-S2, \n  *  from 23.4 before 23.4R2; \n\n\n\nand Junos OS Evolved: \n  *  All versions before 21.2R3-S9-EVO, \n  *  from 21.4-EVO before 21.4R3-S10-EVO, \n  *  from 22.2-EVO before 22.2R3-S6-EVO, \n  *  from 22.4-EVO before 22.4R3-S4-EVO, \n  *  from 23.2-EVO before 23.2R2-S2-EVO, \n  *  from 23.4-EVO before 23.4R2-EVO.","status":"published","published":"2025-04-09T19:56:28Z","modified":"2025-04-09T20:36:41Z","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","level":"high"}],"updated_at":"2026-11-02T20:52:37.733624Z"}],"ghsa":[{"id":"GHSA-pw2h-44xr-w79v","title":"A Buffer Access with Incorrect Length Value vulnerability in the routing protocol daemon (rpd) of...","description":"A Buffer Access with Incorrect Length Value vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).\nWhen an attacker sends a specific ICMPv6 packet to an interface with \"protocols router-advertisement\" configured, rpd crashes and restarts. Continued receipt of this packet will cause a sustained DoS condition. \n\n\n\n\nThis issue only affects systems configured with IPv6.\n\n\n\nThis issue affects Junos OS: \n\n\n  *  All versions before 21.2R3-S9, \n  *  from 21.4 before 21.4R3-S10, \n  *  from 22.2 before 22.2R3-S6, \n  *  from 22.4 before 22.4R3-S4, \n  *  from 23.2 before 23.2R2-S2, \n  *  from 23.4 before 23.4R2; \n\n\n\nand Junos OS Evolved: \n  *  All versions before 21.2R3-S9-EVO, \n  *  from 21.4-EVO before 21.4R3-S10-EVO, \n  *  from 22.2-EVO before 22.2R3-S6-EVO, \n  *  from 22.4-EVO before 22.4R3-S4-EVO, \n  *  from 23.2-EVO before 23.2R2-S2-EVO, \n  *  from 23.4-EVO before 23.4R2-EVO.","status":"published","published":"2025-04-09T21:31:44Z","modified":"2025-04-09T21:31:51Z","cvss":[{"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"},{"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:X/R:X/V:X/RE:X/U:X","level":"high"}],"cwes":["CWE-805"],"updated_at":"2026-11-02T15:01:03.275422Z"}],"nvd":[{"id":"CVE-2025-30651","description":"A Buffer Access with Incorrect Length Value vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).\nWhen an attacker sends a specific ICMPv6 packet to an interface with \"protocols router-advertisement\" configured, rpd crashes and restarts. Continued receipt of this packet will cause a sustained DoS condition. \n\n\n\n\nThis issue only affects systems configured with IPv6.\n\n\n\nThis issue affects Junos OS: \n\n\n  *  All versions before 21.2R3-S9, \n  *  from 21.4 before 21.4R3-S10, \n  *  from 22.2 before 22.2R3-S6, \n  *  from 22.4 before 22.4R3-S4, \n  *  from 23.2 before 23.2R2-S2, \n  *  from 23.4 before 23.4R2; \n\n\n\nand Junos OS Evolved: \n  *  All versions before 21.2R3-S9-EVO, \n  *  from 21.4-EVO before 21.4R3-S10-EVO, \n  *  from 22.2-EVO before 22.2R3-S6-EVO, \n  *  from 22.4-EVO before 22.4R3-S4-EVO, \n  *  from 23.2-EVO before 23.2R2-S2-EVO, \n  *  from 23.4-EVO before 23.4R2-EVO.","status":"published","published":"2025-04-09T20:15:28.687Z","modified":"2026-06-17T09:09:06.46Z","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:X/R:X/V:X/RE:X/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-805"],"updated_at":"2026-11-02T14:11:00.087098Z"}]}}