Vulnerability · Published Oct 1, 2026 · Assigned by TPLink
CVE-2026-102294Authenticated OS Command Injection in TL-WR841N IPv6 WAN Configuration
High 8.5
In plain English
A high-severity OS command injection in TL-WR841N v14 from TP-Link System Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities).
Official description
TP-Link TL-WR841N contains an authenticated OS command injection vulnerability in the IPv6 WAN configuration. A crafted IPv6 Gateway value is improperly incorporated into a system command, allowing an authenticated administrator to execute arbitrary operating system commands. Successful exploitation may allow unauthorized access to sensitive information, modification of device configuration or services, and disruption of device operation.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| TP-Link System Inc. | TL-WR841N v14 | 0 – before 4.19 Build 260821 (EN)0 – before 4.19 Build 260820 (US) |
Weakness: CWE-78 · 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