CVE record · CVE-2025-59969

Junos OS Evolved: QFX5000 Series and PTX Series: An attacker sending crafted multicast packets will cause evo-aftmand / evo-pfemand to crash and restart

CVSS 7.1 HighEPSS 0.0018 · 7th percentile

Published by the CVE Program (CNA: juniper) at 9 Apr 2026, 21:25 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Juniper Networks	Junos OS Evolved	affected before 22.4R3-S8-EVO semver affected 23.2 to before 23.2R2-S5-EVO semver affected 23.4 to before 23.4R2-EVO semver affected 24.2 to before 24.2R2-EVO semver affected 24.4 to before 24.4R2-EVO semver Other versions: unaffected
Juniper Networks	Junos OS Evolved	affected 22.2 to before 22.2R3-S7-EVO semver affected 22.4 to before 22.4R3-S7-EVO semver affected 23.2 to before 23.2R2-S4-EVO semver affected 23.4 to before 23.4R2-S5-EVO semver affected 24.2 to before 24.2R2-S1-EVO semver affected 24.4 to before 24.4R1-S3-EVO, 24.4R2-EVO semver Other versions: unaffected

Identifiers: CVE-2025-59969
CNA: juniper
Weakness (CWE): CWE-120
Tags: Juniper Networks Junos OS Evolved
Memory corruption
Published: 9 Apr 2026
Updated: 10 Apr 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
6.5	Medium	3.1	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CNA (juniper)
7.1	High	4.0	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	CNA (juniper)Used for this record

CISA KEV Not listed.
EPSS 0.0018, the 7th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 9 Apr 2026. New records show when each source confirmed them.

Sources

References from the CNA

kb.juniper.net/JSA103159 vendor-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.