CVE-2025-15139 TRENDnet TEW-822DRE formWsc sub_43ACF4 command injection

Medium 5.3 Published 28 Dec 2025 Updated 24 Feb 2026

Remote attackers can execute arbitrary commands via the peerPin argument in the formWsc interface of TRENDnet TEW-822DRE routers.

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-2025-15139?

CVE-2025-15139 is a medium-severity command injection vulnerability in TRENDnet TEW-822DRE, 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 has been found in TRENDnet TEW-822DRE 1.00B21/1.01B06. This affects the function sub_43ACF4 of the file /boafrm/formWsc. Such manipulation of the argument peerPin leads to command injection. The attack can be executed remotely. 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-77, CWE-74

Which versions are affected by CVE-2025-15139?

It affects 1 product.

Products include Trendnet Tew-822dre Firmware.

How do I fix CVE-2025-15139?

No fix has been published for CVE-2025-15139 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-2025-15139 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-15139 exists.

Sources

Also known as GHSA-j5pv-22p5-jmgv.