CVE-2026-11409

UNKNOWN 0.0

OS Command Injection in IPv6 PPPoE Configuration in TP-Link TL-WR940N

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

An authenticated OS command injection vulnerability exists in the IPv6 PPPoE configuration handler 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.

CWE	CWE-78
Vendor	tp-link systems inc.
Product	tl-wr940n v6
Published	Jun 16, 2026

Stay Ahead of the Next One

Get instant alerts for tp-link systems inc. tl-wr940n v6

Be the first to know when new unknown vulnerabilities affecting tp-link systems inc. tl-wr940n v6 are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

Affected Versions

TP-Link Systems Inc. / TL-WR940N v6

0 < V6_260528

References

NVD ↗ CVE.org ↗ EPSS Data ↗

tp-link.com: https://www.tp-link.com/en/support/download/tl-wr940n/v6/#Firmware tp-link.com: https://www.tp-link.com/us/support/download/tl-wr940n/v6/#Firmware tp-link.com: https://www.tp-link.com/us/support/faq/5131/

Credits

Duong Ton Hoang Khang of Sacombank