CVE-2026-102294

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.

CVSS 4.0

8.5CVSS: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

0.9% chance of exploitation in the next 30 days; higher than 60% of CVEs (scores of 2026-10-25)

CWE

CWE-78

Published

2026-10-01

Modified

2026-10-02

Record from

the NVD, synced 2026-10-19

References

• https://www.tp-link.com/en/support/download/tl-wr841n/v14/#Firmware
• https://www.tp-link.com/us/support/download/tl-wr841n/v14/#Firmware
• https://www.tp-link.com/us/support/faq/5320/

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