What is CVE-2025-52958?

CVE-2025-52958 is a medium-severity vulnerability in Juniper Junos, classified under Reachable Assertion. CVSS score: 5.3/10. Published 2025-07-11.

How severe is CVE-2025-52958?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Juniper Junos

CVE-2025-52958

A Reachable Assertion vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated attacker to cause a Denial of Service (DoS).On all Junos OS and Junos OS Evolved…

EPSS: 0.002 (11.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Juniper Junos — versions 22.2, 22.4, 23.2
Juniper Junos_os_evolved — versions 22.2, 22.4, 23.2
Juniper Networks Junos Os — versions 0, 22.4, 23.2
Juniper Networks Junos Os Evolved — versions 0, 22.4, 23.2

Weakness classification (CWE)

CWE-617 — Reachable Assertion

References

sirt@juniper.net (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2025-52958?: CVE-2025-52958 is a medium-severity vulnerability in Juniper Junos, classified under Reachable Assertion. CVSS score: 5.3/10. Published 2025-07-11.
How severe is CVE-2025-52958?: Medium severity. CVSS v3 base score is 5.3 out of 10.