CVE-2025-41687 Weidmueller: Unauthenticated Stack-Based Buffer Overflow in u-link Management API
Unauthenticated attackers can exploit a stack-based buffer overflow in the management API to gain full control of Weidmueller industrial switches.
- 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-2025-41687?
CVE-2025-41687 is a critical memory corruption vulnerability in Weidmueller IE-SR-2TX-WL, published on 23 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An unauthenticated remote attacker may use a stack based buffer overflow in the u-link Management API to gain full access on the affected devices.
Weakness: CWE-121
Which versions are affected by CVE-2025-41687?
How do I fix CVE-2025-41687?
No fix has been published for CVE-2025-41687 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-41687 being exploited?
There is no known exploitation of CVE-2025-41687 in the wild and no public exploit code.
Sources
Also known as GHSA-mc82-ffc8-67rq.