CVE-2025-3759 Missing Authentication for Changing Device Configuration in WF2220
Unauthenticated attackers can modify device configuration, leading to administrator account hijacking or password changes on Netis WF2220 routers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-3759?
CVE-2025-3759 is a high-severity missing authorization vulnerability in Netis Systems WF2220, published on 8 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Endpoint /cgi-bin-igd/netcore_set.cgi which is used for changing device configuration is accessible without authentication. This poses a significant security threat allowing for e.g: administrator account hijacking or AP password changing. The vendor was contacted early about this disclosure but did not respond in any way.
Weakness: CWE-306
Which versions are affected by CVE-2025-3759?
How do I fix CVE-2025-3759?
No fix has been published for CVE-2025-3759 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-3759 being exploited?
There is no known exploitation of CVE-2025-3759 in the wild and no public exploit code.
Sources
Also known as GHSA-fx5x-8xvw-2cw6.