Skip to content
OpenAdvisories
High · 8.5 CVE-2026-102294 EUVD-2026-90974GHSA-f292-ffrv-823x

Authenticated OS Command Injection in TL-WR841N IPv6 WAN Configuration

Published Oct 1, 2026 · Updated Oct 2, 2026 · Assigned by TPLink

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

VendorProductAffectedFixed
TP-Link System TL-WR841N v14 < 4.19 Build 260821 (EN), < 4.19 Build 260820 (US) 4.19 Build 260821 (EN)

References