SB2025120226 - SNMP command injection in Cacti
Published: December 2, 2025
Security Bulletin ID
SB2025120226
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) Command injection (CVE-ID: CVE-2025-66399)
The vulnerability allows a remote user to execute arbitrary commands on the system.
The vulnerability exists due to insufficient input validation whenhandling newline characters. A remote user can supply crafted SNMP community strings containing control characters that are accepted, stored verbatim in the database, and later embedded into backend SNMP operations.
Remediation
Install update from vendor's website.