CVE-2026-11409
OS Command Injection in IPv6 PPPoE Configuration in TP-Link TL-WR940N
- State
- Published
- Severity
- 8.5 High
- Published
- Jun 16, 2026
- Updated
- Jun 18, 2026
- Reserved
- Jun 5, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.5 High | 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 | TPLink |
Weaknesses
- CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')
Affected Products
| Product | Versions |
|---|---|
TL-WR940N v6TP-Link Systems Inc. |
|
References
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.