CVE-2026-102294

high

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.

References

https://www.tp-link.com/us/support/faq/5320/

https://www.tp-link.com/us/support/download/tl-wr841n/v14/#Firmware

https://www.tp-link.com/en/support/download/tl-wr841n/v14/#Firmware

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-90974

Details

Source: Mitre, NVD

Published: 2026-10-01

Updated: 2026-10-02

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 8.5

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

Severity: High

EPSS

EPSS: 0.00946