SB2025071855 - Remote denial of service in Junos OS and Junos OS Evolved rpd



SB2025071855 - Remote denial of service in Junos OS and Junos OS Evolved rpd

Published: July 18, 2025

Security Bulletin ID SB2025071855
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use-after-free (CVE-ID: CVE-2025-52946)

The vulnerability allows a remote attacker to crash the system.

The vulnerability exists due to a use-after-free error in the routing protocol daemon (rpd). A remote attacker can send a BGP update with a specifically malformed AS PATH to cause rpd to crash. 


Remediation

Install update from vendor's website.