CVE-2026-36616 Hardcoded credentials in n/a
Hardcoded WiFi and RADIUS credentials in Mercusys AC12G firmware allow attackers to bypass authentication and access network resources.
- 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-2026-36616?
CVE-2026-36616 is a medium-severity vulnerability in n/a, published on 3 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Mercusys AC12G (EU) V1 with firmware AC12G(EU)_V1_200909 contains hardcoded WiFi driver credentials including a RADIUS shared secret, WPS test key, and default PSK embedded in the production firmware binary.
Which versions are affected by CVE-2026-36616?
How do I fix CVE-2026-36616?
No fix has been published for CVE-2026-36616 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-36616 being exploited?
There is no known exploitation of CVE-2026-36616 in the wild and no public exploit code.
Sources
Also known as GHSA-4wqr-74mq-rfw2.