CVE-2025-56463 Information disclosure in n/a

Medium 6.8 Published Updated

An attacker can obtain the TLS certificate private key from Mercusys MW305R routers, compromising encrypted communications.

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-2025-56463?

CVE-2025-56463 is a medium-severity vulnerability in n/a, published on 26 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Mercusys MW305R 3.30 and below is has a Transport Layer Security (TLS) certificate private key disclosure.

Weakness: CWE-200

Which versions are affected by CVE-2025-56463?

It affects 1 product.

Products include Mercusys Mw305r Firmware.

How do I fix CVE-2025-56463?

No fix has been published for CVE-2025-56463 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-56463 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-56463 exists.

Sources

Also known as GHSA-h6r9-j826-53gg.

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