CVE-2025-46418 Command injection in WeOS
Attackers can execute arbitrary OS commands via media definitions in Westermo WeOS, requiring an upgrade to mitigate.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-46418?
CVE-2025-46418 is a high-severity command injection vulnerability in Westermo WeOS, published on 2 Sep 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Westermo WeOS 5.x starting from 5.24 allows OS command injection via a media definition.
Weakness: CWE-78
Which versions are affected by CVE-2025-46418?
How do I fix CVE-2025-46418?
No fix has been published for CVE-2025-46418 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-2025-46418 being exploited?
There is no known exploitation of CVE-2025-46418 in the wild and no public exploit code.
Sources
Also known as GHSA-2hx8-j556-mj7h.