OS command injection in FreeBSD - CVE-2025-14558
Published: December 17, 2025 / Updated: February 13, 2026
Vulnerability identifier: #VU120165
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2025-14558
CWE-ID: CWE-78
Exploitation vector: Adjecent network
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: FreeBSD Foundation
Affected software:
FreeBSD
FreeBSD
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation within the rtsold(8) and rtsol(8) scripts when processing the domain search list options provided in IPv6 router advertisement messages. A remote unauthenticated attacker in the same network segment can send specially crafted ND6 router advertisements and execute arbitrary OS commands on the system.
How to mitigate CVE-2025-14558
Install updates from vendor's website.