CVE-2025-41702 egOS WebGUI Hard-Coded JWT Secret Enables Authentication Bypass
An unauthenticated remote attacker can bypass authentication and gain unauthorized access to the egOS WebGUI by using a hard-coded JWT secret key.
- 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-2025-41702?
CVE-2025-41702 is a critical vulnerability in Welotec EG400Mk2-D11001-000101, published on 26 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The JWT secret key is embedded in the egOS WebGUI backend and is readable to the default user. An unauthenticated remote attacker can generate valid HS256 tokens and bypass authentication/authorization due to the use of hard-coded cryptographic key.
Weakness: CWE-321
Which versions are affected by CVE-2025-41702?
How do I fix CVE-2025-41702?
No fix has been published for CVE-2025-41702 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-41702 being exploited?
There is no known exploitation of CVE-2025-41702 in the wild and no public exploit code.
Sources
Also known as GHSA-6498-6rj5-p7pf.