Is CVE-2026-11409 actively exploited?

No active exploitation of CVE-2026-11409 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-11409 be exploited remotely?

Yes. CVE-2026-11409 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-11409?

CVE-2026-11409 has a CVSS score of 7.2 (HIGH).

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HIGH

CVE-2026-11409

CWE-78Published: June 17, 2026· Updated: Jun 18, 2026

7.2

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2026-11409 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.2.