Unrated severityNVD Advisory· Published Jun 16, 2026
OS Command Injection in IPv6 PPPoE Configuration in TP-Link TL-WR940N
CVE-2026-11409
Description
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.
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Affected products
1- Range: v6
Patches
Vulnerability mechanics
References
3- www.tp-link.com/en/support/download/tl-wr940n/v6/mitrepatch
- www.tp-link.com/us/support/download/tl-wr940n/v6/mitrepatch
- www.tp-link.com/us/support/faq/5131/mitrevendor-advisory
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