CVE-2026-11409CWE-78

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

High · published June 16, 2026

CVSS v4.0
8.5
EPSS
3%
Percentile
86.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.5 · HIGH
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
EPSS
0.02787 · 86.3th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-06-16T21:03Z
EPSS history
Timeline
  • 16 JUN 21:03Z
    OS Command Injection in IPv6 PPPoE Configuration in TP-Link TL-WR940N
    cvelistv5