SB2025071823 - Protection mechanism failure in Juniper Junos OS
Published: July 18, 2025
Security Bulletin ID
SB2025071823
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Protection mechanism failure (CVE-ID: CVE-2025-52951)
The vulnerability allows a remote non-authenticated attacker to corrupt data.
The vulnerability exists due to protection mechanism failure error in IPv6 firewall filter. A remote non-authenticated attacker can an interface to effectively bypass any firewall filtering configured on the interface.
Remediation
Install update from vendor's website.