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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Fixes

Solution

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Workaround

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History

Fri, 26 Jun 2026 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Tp-link
Tp-link tl-wr940n V6
Vendors & Products Tp-link
Tp-link tl-wr940n V6

Thu, 18 Jun 2026 04:45:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 16 Jun 2026 22:00:00 +0000

Type Values Removed Values Added
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.
Title OS Command Injection in IPv6 PPPoE Configuration in TP-Link TL-WR940N
Weaknesses CWE-78
References
Metrics cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: TPLink

Published:

Updated: 2026-06-18T03:56:11.660Z

Reserved: 2026-06-05T18:37:11.242Z

Link: CVE-2026-11409

cve-icon Vulnrichment

Updated: 2026-06-17T14:35:26.733Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-26T09:42:39Z

Weaknesses