CVE-2025-14558 Remote code execution via ND6 Router Advertisements

High 7.2 Published 9 Mar 2026 Updated 10 Mar 2026

Remote attackers can execute arbitrary shell commands on FreeBSD systems by sending malicious ND6 Router Advertisement messages.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-14558?

CVE-2025-14558 is a high-severity command injection vulnerability in Freebsd Freebsd, published on 9 Mar 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

The rtsol(8) and rtsold(8) programs do not validate the domain search list options provided in router advertisement messages; the option body is passed to resolvconf(8) unmodified.

resolvconf(8) is a shell script which does not validate its input. A lack of quoting meant that shell commands pass as input to resolvconf(8) may be executed.

Weakness: CWE-20

Which versions are affected by CVE-2025-14558?

It affects 1 product.

Products include Freebsd Freebsd.

How do I fix CVE-2025-14558?

No fix has been published for CVE-2025-14558 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2025-14558 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-14558 exists.

Public exploit code: 1 Metasploit module, 1 Exploit-DB entry and 2 proofs of concept on GitHub.

All Freebsd Freebsd vulnerabilities

Sources

Also known as GHSA-m67m-4jp2-2c59.