CVE-2025-46419 Denial of service in WeOS
Attackers can cause a denial of service by sending malformed ESP packets to Westermo WeOS devices, requiring an upgrade to mitigate.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-46419?
CVE-2025-46419 is a medium-severity denial of service vulnerability in Westermo WeOS, published on 24 Apr 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Westermo WeOS 5 through 5.23.0 allows a reboot via a malformed ESP packet.
Weakness: CWE-1286
Which versions are affected by CVE-2025-46419?
How do I fix CVE-2025-46419?
No fix has been published for CVE-2025-46419 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-46419 being exploited?
There is no known exploitation of CVE-2025-46419 in the wild and no public exploit code.
Sources
Also known as GHSA-wx2x-f6c2-gqxf.