CVE-2025-8759: A vulnerability was found in TRENDnet TN-200 1.02b02

Routine

LOW 3.7REMOTEMITIGATE

CVE-2025-8759 is a low-severity flaw (CVSS 3.7) affecting tn-200 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 publ

Why this priority

Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	3.7 (Low)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 57%)
CISA exploited list	No
Weakness	CWE-320, CWE-321
Published	2025-08-09
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: trendnet

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-08-09 17:15 UTCPublished CVE record published
2026-06-17 10:07 UTCUpdated Record last modified

trendnet tn-200 firmware MITIGATE

Affected: 1.02b02

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.02b02

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-8759?

tn-200 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-8759 being exploited?

CVE-2025-8759 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-8759 affect?

CVE-2025-8759 affects tn-200 firmware. Severity is low (CVSS 3.7). 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 lead

How urgent is CVE-2025-8759?

Priority 29/100. Remotely exploitable, no login, no user action

Software pages

lighttpd vulnerabilities

References

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