CVE-2025-8759 TRENDnet TN-200 Lighttpd hard-coded key

Medium 6.3 Published Updated

A hard-coded cryptographic key in the Lighttpd component of TRENDnet TN-200 devices allows remote attackers to bypass security controls.

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-2025-8759?

CVE-2025-8759 is a medium-severity vulnerability in TRENDnet TN-200, published on 9 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability was found in TRENDnet TN-200 1.02b02. It has been declared as problematic. This vulnerability affects unknown code of the component Lighttpd. The manipulation of the argument secdownload.secret with the input neV3rUseMe leads to use of hard-coded cryptographic key . The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-321, CWE-320

Which versions are affected by CVE-2025-8759?

It affects 1 product.

Products include Trendnet Tn-200 Firmware.

How do I fix CVE-2025-8759?

No fix has been published for CVE-2025-8759 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-8759 being exploited?

There is no known exploitation of CVE-2025-8759 in the wild and no public exploit code.

Sources

Also known as GHSA-v837-44qq-4rg5.

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