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High · 8.5 CVE-2026-11409 EUVD-2026-37499GHSA-xwmq-379c-mhf5

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

Published Jun 16, 2026 · Updated Jun 18, 2026 · Assigned by TPLink

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.

Affected products

VendorProductAffectedFixed
TP-Link Systems TL-WR940N v6 < V6_260528 V6_260528

References