CVE record · CVE-2025-59960

Junos OS and Junos OS Evolved: DHCP Option 82 messages from clients being passed unmodified to the DHCP server

CVSS 6.3 MediumEPSS 0.0025 · 17th percentile

Published by the CVE Program (CNA: juniper) at 15 Jan 2026, 20:14 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	affected before 21.2R3-S10 semver affected 21.4 to before 21.4R3-S12 semver affected 22.2 to before 22.2* semver affected 22.4 to before 22.4R3-S8 semver affected 23.2 to before 23.2R2-S5 semver affected 23.4 to before 23.4R2-S6 semver affected 24.2 to before 24.2R2-S2 semver affected 24.4 to before 24.4R2 semver affected 25.2 to before 25.2R1-S1, 25.2R2 semver Other versions: unaffected
Juniper Networks	Junos OS Evolved	affected before 21.4R3-S12-EVO semver affected 22.2 to before 22.2* semver affected 22.4 to before 22.4R3-S8-EVO semver affected 23.2 to before 23.2R2-S5-EVO semver affected 23.4 to before 23.4R2-S6-EVO semver affected 24.2 to before 24.2R2-S2-EVO semver affected 24.4 to before 24.4R2-EVO semver affected 25.2 to before 25.2R1-S1-EVO, 25.2R2-EVO semver Other versions: unaffected

Identifiers: CVE-2025-59960
CNA: juniper
Weakness (CWE): CWE-754
Tags: Juniper Networks Junos OS
Juniper Networks Junos OS Evolved
CWE-754
Published: 15 Jan 2026
Updated: 16 Jan 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
7.4	High	3.1	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H	CNA (juniper)
6.3	Medium	4.0	CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:N/SA:H/AU:Y/R:U/V:C/RE:M/U:Amber	CNA (juniper)Used for this record

CISA KEV Not listed.
EPSS 0.0025, the 17th 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 15 Jan 2026. New records show when each source confirmed them.

Sources

References from the CNA

supportportal.juniper.net/ vendor-advisory
kb.juniper.net/JSA103149 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.