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

• Severity: medium (CVSS 5.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-08-09 · updated 2026-06-17
• Weakness: CWE-320

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.

Affected products

• TRENDnet TN-200: 1.02b02

References

• https://vuldb.com/?ctiid.319264
• https://vuldb.com/?id.319264
• https://vuldb.com/?submit.624555
• https://www.notion.so/23f54a1113e7801e944ec65a2f7c5448

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