SB2025071854 - Improper Check for Unusual or Exceptional Conditions in Juniper Junos OS
Published: July 18, 2025
Security Bulletin ID
SB2025071854
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2025-52981)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper check for unusual or exceptional conditions error in the flow processing daemon (flowd). A remote non-authenticated attacker can cause a Denial-of-Service (DoS).
If a sequence of specific PIM packets is received, this will cause a flowd crash and restart.
Remediation
Install update from vendor's website.