#VU118996 Command injection in Cacti - CVE-2025-66399
Published: December 2, 2025
Vulnerability identifier: #VU118996
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-66399
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Cacti
Cacti
Software vendor:
The Cacti Group, Inc.
The Cacti Group, Inc.
Description
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 updates from vendor's website.