SB2025071836 - Reachable assertion in Junos OS Evolved and Juniper Junos OS
Published: July 18, 2025
Security Bulletin ID
SB2025071836
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Reachable assertion (CVE-ID: CVE-2025-52964)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to reachable assertion error in the Routing Protocol Daemon (rpd). A remote non-authenticated attacker can cause a Denial of Service (DoS).
When the device receives a specific BGP UPDATE packet, the rpd crashes and restarts.
Continuous receipt of this specific packet will cause a sustained DoS condition.
Remediation
Install update from vendor's website.