CVE-2026-11410 OS Command Injection in BigPond Cable (BPA) Configuration in TP-Link TL-WR940N

High 8.5 Published 16 Jun 2026 Updated 18 Jun 2026

Authenticated attackers can execute arbitrary system commands with elevated privileges on TP-Link TL-WR940N routers via the BigPond Cable configuration module.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-11410?

CVE-2026-11410 is a high-severity command injection vulnerability in TP-Link Systems Inc. TL-WR940N v6, published on 16 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An authenticated OS command injection vulnerability exists in the BigPond Cable (BPA) WAN configuration module in TL-WR940N v6 due to improper sanitization of user input. An attacker with administrative access may exploit this issue to execute arbitrary system commands with elevated privileges.

Weakness: CWE-78

Which versions are affected by CVE-2026-11410?

It affects 1 product.

Products include Tp-Link Tl-Wr940n Firmware.

How do I fix CVE-2026-11410?

No fix has been published for CVE-2026-11410 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-2026-11410 being exploited?

There is no known exploitation of CVE-2026-11410 in the wild and no public exploit code.

Sources

Also known as GHSA-fcc7-wp4f-5382.