{"id":"CVE-2025-30651","state":"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.","publishedAt":"2025-04-09T19:56:28.305Z","updatedAt":"2025-04-09T20:36:41.381Z","severity":{"score":8.7,"label":"High","version":"4.0","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","source":"juniper"},"assigner":"juniper","products":["Juniper Networks Junos OS","Juniper Networks Junos OS Evolved"],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"21.2R3-S9","versionType":"semver"},{"version":"21.4","status":"affected","lessThan":"21.4R3-S10","versionType":"semver"},{"version":"22.2","status":"affected","lessThan":"22.2R3-S6","versionType":"semver"},{"version":"22.4","status":"affected","lessThan":"22.4R3-S4","versionType":"semver"},{"version":"23.2","status":"affected","lessThan":"23.2R2-S2","versionType":"semver"},{"version":"23.4","status":"affected","lessThan":"23.4R2","versionType":"semver"}]},{"vendor":"Juniper Networks","product":"Junos OS Evolved","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"21.2R3-S9-EVO","versionType":"semver"},{"version":"21.4-EVO","status":"affected","lessThan":"21.4R3-S10-EVO","versionType":"semver"},{"version":"22.2-EVO","status":"affected","lessThan":"22.2R3-S6-EVO","versionType":"semver"},{"version":"22.4-EVO","status":"affected","lessThan":"22.4R3-S4-EVO","versionType":"semver"},{"version":"23.2-EVO","status":"affected","lessThan":"23.2R2-S2-EVO","versionType":"semver"},{"version":"23.4-EVO","status":"affected","lessThan":"23.4R2-EVO","versionType":"semver"}]}],"references":["https://supportportal.juniper.net/JSA96461"],"weaknesses":["CWE-805"],"ingestedAt":"2026-10-29T20:08:55.257Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/30xxx/CVE-2025-30651.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-30651","state":"PUBLISHED","datePublished":"2025-04-09T19:56:28.305Z","dateUpdated":"2025-04-09T20:36:41.381Z","assignerShortName":"juniper","assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","dateReserved":"2025-03-24T19:34:11.321Z"},"containers":{"cna":{"title":"Junos OS and Junos OS Evolved: Receipt of a specific ICMPv6 packet causes a memory overrun leading to an rpd crash","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"21.2R3-S9","versionType":"semver"},{"version":"21.4","status":"affected","lessThan":"21.4R3-S10","versionType":"semver"},{"version":"22.2","status":"affected","lessThan":"22.2R3-S6","versionType":"semver"},{"version":"22.4","status":"affected","lessThan":"22.4R3-S4","versionType":"semver"},{"version":"23.2","status":"affected","lessThan":"23.2R2-S2","versionType":"semver"},{"version":"23.4","status":"affected","lessThan":"23.4R2","versionType":"semver"}]},{"vendor":"Juniper Networks","product":"Junos OS Evolved","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"21.2R3-S9-EVO","versionType":"semver"},{"version":"21.4-EVO","status":"affected","lessThan":"21.4R3-S10-EVO","versionType":"semver"},{"version":"22.2-EVO","status":"affected","lessThan":"22.2R3-S6-EVO","versionType":"semver"},{"version":"22.4-EVO","status":"affected","lessThan":"22.4R3-S4-EVO","versionType":"semver"},{"version":"23.2-EVO","status":"affected","lessThan":"23.2R2-S2-EVO","versionType":"semver"},{"version":"23.4-EVO","status":"affected","lessThan":"23.4R2-EVO","versionType":"semver"}]}],"references":[{"url":"https://supportportal.juniper.net/JSA96461","tags":["vendor-advisory"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]},{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-805","description":"CWE-805 Buffer Access with Incorrect Length Value","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"juniper","orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","dateUpdated":"2025-04-09T19:56:28.305Z"},"configurations":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"The following configuration is required to be affected by this issue:<br><br><tt>[ protocols router-advertisement interface &lt;interface-name&gt; ]<br></tt><code>[ interfaces &lt;interface-name&gt; unit &lt;unit&gt; family inet6 address &lt;ipv6-addr&gt; ]</code><br>"}],"value":"The following configuration is required to be affected by this issue:\n\n[ protocols router-advertisement interface <interface-name> ]\n[ interfaces <interface-name> unit <unit> family inet6 address <ipv6-addr> ]"}],"datePublic":"2025-04-09T16:00:00.000Z","exploits":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}],"value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"The following software releases have been updated to resolve this specific issue:&nbsp;<br>Junos OS: 21.2R3-S9, 21.4R3-S10, 22.2R3-S6, 22.4R3-S4, 23.2R2-S2, 23.4R2, 24.2R1, and all subsequent releases.<br>Junos OS Evolved:&nbsp;21.2R3-S9-EVO, 21.4R3-S10-EVO, 22.2R3-S6-EVO, 22.4R3-S4-EVO, 23.2R2-S2-EVO, 23.4R2-EVO, 24.2R1-EVO, and all subsequent releases."}],"value":"The following software releases have been updated to resolve this specific issue: \nJunos OS: 21.2R3-S9, 21.4R3-S10, 22.2R3-S6, 22.4R3-S4, 23.2R2-S2, 23.4R2, 24.2R1, and all subsequent releases.\nJunos OS Evolved: 21.2R3-S9-EVO, 21.4R3-S10-EVO, 22.2R3-S6-EVO, 22.4R3-S4-EVO, 23.2R2-S2-EVO, 23.4R2-EVO, 24.2R1-EVO, and all subsequent releases."}],"source":{"advisory":"JSA96461","defect":["1809088"],"discovery":"INTERNAL"},"timeline":[{"lang":"en","time":"2025-04-09T16:00:00.000Z","value":"Initial Publication"}],"workarounds":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"There are no known workarounds for this issue.<br><br>A firewall filter can be implemented to restrict ICMPv6 traffic."}],"value":"There are no known workarounds for this issue.\n\nA firewall filter can be implemented to restrict ICMPv6 traffic."}],"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-04-09T20:36:29.443531Z","id":"CVE-2025-30651","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-04-09T20:36:41.381Z"}}]}}}