{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-59969","assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","state":"PUBLISHED","assignerShortName":"juniper","dateReserved":"2025-09-23T18:19:06.955Z","datePublished":"2026-04-09T21:25:32.594Z","dateUpdated":"2026-04-10T18:15:06.090Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","modules":["evo-aftmand"],"platforms":["PTX Series"],"product":"Junos OS Evolved","vendor":"Juniper Networks","versions":[{"lessThan":"22.4R3-S8-EVO","status":"affected","version":"0","versionType":"semver"},{"lessThan":"23.2R2-S5-EVO","status":"affected","version":"23.2","versionType":"semver"},{"lessThan":"23.4R2-EVO","status":"affected","version":"23.4","versionType":"semver"},{"lessThan":"24.2R2-EVO","status":"affected","version":"24.2","versionType":"semver"},{"lessThan":"24.4R2-EVO","status":"affected","version":"24.4","versionType":"semver"}]},{"defaultStatus":"unaffected","modules":["evo-pfemand"],"platforms":["QFX5000 Series"],"product":"Junos OS Evolved","vendor":"Juniper Networks","versions":[{"lessThan":"22.2R3-S7-EVO","status":"affected","version":"22.2","versionType":"semver"},{"lessThan":"22.4R3-S7-EVO","status":"affected","version":"22.4","versionType":"semver"},{"lessThan":"23.2R2-S4-EVO","status":"affected","version":"23.2","versionType":"semver"},{"lessThan":"23.4R2-S5-EVO","status":"affected","version":"23.4","versionType":"semver"},{"lessThan":"24.2R2-S1-EVO","status":"affected","version":"24.2","versionType":"semver"},{"lessThan":"24.4R1-S3-EVO, 24.4R2-EVO","status":"affected","version":"24.4","versionType":"semver"}]}],"configurations":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Required Configuration for Exposure: 

  [ protocols mld ]
or
  [ protocols pim ]
"}],"value":"Required Configuration for Exposure: \n\n  [ protocols mld ]\nor\n  [ protocols pim ]"}],"datePublic":"2026-04-08T16:00:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"A Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in the advanced forwarding toolkit (evo-aftmand/evo-pfemand) of Juniper Networks Junos OS Evolved on PTX Series or QFX5000 Series allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS).

An attacker sending crafted multicast packets will cause line cards running evo-aftmand/evo-pfemand to crash and restart or non-line card devices to crash and restart. Continued receipt and processing of these packets will sustain the Denial of Service (DoS) condition.

This issue affects Junos OS Evolved PTX Series:

This issue affects Junos OS Evolved on QFX5000 Series:

This issue does not affect Junos OS Evolved on QFX5000 Series versions before: 21.2R2-S1-EVO, 21.2R3-EVO, 21.3R2-EVO, 21.4R1-EVO, and 22.1R1-EVO.

"}],"value":"A Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in the advanced forwarding toolkit (evo-aftmand/evo-pfemand) of Juniper Networks Junos OS Evolved on PTX Series or QFX5000 Series allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS).An attacker sending crafted multicast packets will cause line cards running evo-aftmand/evo-pfemand to crash and restart or non-line card devices to crash and restart. Continued receipt and processing of these packets will sustain the Denial of Service (DoS) condition.\n\nThis issue affects Junos OS Evolved PTX Series:\n\n\n\n * All versions before 22.4R3-S8-EVO,\n * from 23.2 before 23.2R2-S5-EVO,\n * from 23.4 before 23.4R2-EVO,\n * from 24.2 before 24.2R2-EVO,\n * from 24.4 before 24.4R2-EVO.\n\n\n\n\nThis issue affects Junos OS Evolved on QFX5000 Series:\n\n\n\n * 22.2-EVO version before 22.2R3-S7-EVO,\n * 22.4-EVO version before 22.4R3-S7-EVO,\n * 23.2-EVO versions before 23.2R2-S4-EVO,\n * 23.4-EVO versions before 23.4R2-S5-EVO, \n * 24.2-EVO versions before 24.2R2-S1-EVO,\n * 24.4-EVO versions before 24.4R1-S3-EVO, 24.4R2-EVO.\n\n\nThis issue does not affect Junos OS Evolved on QFX5000 Series versions before: 21.2R2-S1-EVO, 21.2R3-EVO, 21.3R2-EVO, 21.4R1-EVO, and 22.1R1-EVO."}],"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."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/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":"YES","Recovery":"USER","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"ADJACENT","baseScore":7.1,"baseSeverity":"HIGH","privilegesRequired":"NONE","providerUrgency":"AMBER","subAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"CONCENTRATED","vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:U/V:C/RE:M/U:Amber","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"MODERATE"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-120","description":"CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","shortName":"juniper","dateUpdated":"2026-04-09T21:25:32.594Z"},"references":[{"tags":["vendor-advisory"],"url":"https://kb.juniper.net/JSA103159"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"The following software releases have been updated to resolve this specific issue:
For PTX Series: 22.4R3-S8-EVO, 23.2R2-S5-EVO, 23.4R2-EVO, 24.2R2-EVO, 24.4R2-EVO, 25.2R1-EVO, and all subsequent releases.
For QFX5000 Series: 22.2R3-S7-EVO, 22.4R3-S7-EVO, 23.2R2-S4-EVO, 23.4R2-S5-EVO, 24.2R2-S1-EVO, 24.4R1-S3-EVO, 24.4R2-EVO, 25.2R1-EVO, and all subsequent releases."}],"value":"The following software releases have been updated to resolve this specific issue:\nFor PTX Series: 22.4R3-S8-EVO, 23.2R2-S5-EVO, 23.4R2-EVO, 24.2R2-EVO, 24.4R2-EVO, 25.2R1-EVO, and all subsequent releases.\nFor QFX5000 Series: 22.2R3-S7-EVO, 22.4R3-S7-EVO, 23.2R2-S4-EVO, 23.4R2-S5-EVO, 24.2R2-S1-EVO, 24.4R1-S3-EVO, 24.4R2-EVO, 25.2R1-EVO, and all subsequent releases."}],"source":{"advisory":"JSA103159","defect":["1808638","1869606"],"discovery":"USER"},"timeline":[{"lang":"en","time":"2026-01-14T17:00:00.000Z","value":"Initial Publication"}],"title":"Junos OS Evolved: QFX5000 Series and PTX Series: An attacker sending crafted multicast packets will cause evo-aftmand / evo-pfemand to crash and restart","workarounds":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"There are no known workarounds for this issue.
"}],"value":"There are no known workarounds for this issue."}],"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-10T18:14:54.287372Z","id":"CVE-2025-59969","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-04-10T18:15:06.090Z"}}]}}