CVE-2026-36610 Weak cryptography in n/a
Attackers can intercept DDNS credentials via man-in-the-middle attacks because the router transmits them over plaintext HTTP with only Base64 encoding.
- 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-2026-36610?
CVE-2026-36610 is a medium-severity vulnerability in n/a, published on 3 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Mercusys AC12G (EU) V1 with firmware AC12G(EU)_V1_200909 transmits DDNS credentials over plaintext HTTP with only Base64 encoding. The firmware contains no TLS implementation, allowing man-in-the-middle interception of DDNS service credentials.
Which versions are affected by CVE-2026-36610?
How do I fix CVE-2026-36610?
No fix has been published for CVE-2026-36610 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-36610 being exploited?
There is no known exploitation of CVE-2026-36610 in the wild and no public exploit code.
Sources
Also known as GHSA-f7vm-g3rr-mf92.