CVE-2025-15137 TRENDnet TEW-800MB NTPSyncWithHost.cgi sub_F934 command injection

High 8.7 Published 28 Dec 2025 Updated 24 Feb 2026

Remote attackers can execute arbitrary commands on TRENDnet TEW-800MB routers via the NTPSyncWithHost.cgi interface.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-15137?

CVE-2025-15137 is a high-severity command injection vulnerability in TRENDnet TEW-800MB, published on 28 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was detected in TRENDnet TEW-800MB 1.0.1.0. Affected by this vulnerability is the function sub_F934 of the file NTPSyncWithHost.cgi. The manipulation results in command injection. The attack may be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-77, CWE-74

Which versions are affected by CVE-2025-15137?

It affects 1 product.

Products include Trendnet Tew-800mb Firmware.

How do I fix CVE-2025-15137?

No fix has been published for CVE-2025-15137 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2025-15137 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-15137 exists.

Sources

Also known as GHSA-jxhp-qvjm-mxcj.