CVE-2026-36613 Information disclosure in n/a

Medium 4.3 Published Updated

Unauthenticated adjacent attackers can read uninitialized memory contents from the router via HTTP POST requests to undefined paths.

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-2026-36613?

CVE-2026-36613 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 returns 128 bytes of uninitialized internal buffer contents when receiving HTTP POST requests to undefined paths, exposing server state to unauthenticated adjacent network attackers.

Weakness: CWE-125

Which versions are affected by CVE-2026-36613?

How do I fix CVE-2026-36613?

No fix has been published for CVE-2026-36613 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-36613 being exploited?

There is no known exploitation of CVE-2026-36613 in the wild and no public exploit code.

Sources

Also known as GHSA-fvhh-w2mm-jjhf.

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