Vulnerability in Juniper Junos
CVE-2025-52986
A Missing Release of Memory after Effective Lifetime vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a local, low privileged user to cause an impact to the availability of the dev…
EPSS: 0.001 (1.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Juniper Junos — versions 21.2, 21.4, 22.2
- Juniper Junos_os_evolved — versions 22.2, 22.4, 23.2
- Juniper Networks Junos Os — versions 0, 21.4, 22.2
- Juniper Networks Junos Os Evolved — versions 0, 22.4-EVO, 23.2-EVO
Weakness classification (CWE)
Public proof-of-concept exploits
References
- sirt@juniper.net (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-52986?
- CVE-2025-52986 is a medium-severity vulnerability in Juniper Junos, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.5/10. Published 2025-07-11.
- How severe is CVE-2025-52986?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2025-52986 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.