CVE-2026-76650: TP-Link System Inc TL-WR841N v14

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

A NULL pointer dereference vulnerability exists in TL-WR841N v14 in the UPnP service when processing SOAP state variable query requests. A specially crafted SOAP query may trigger unexpected termination or instability of the process hosting the UPnP service. Successful exploitation may result in a denial-of-service condition affecting UPnP discovery, state query, or related management functionality until the affected process is restarted or the device is rebooted.

Affected products

• TP-Link System Inc TL-WR841N v14

Published 2026-08-28. Last modified 2026-09-01.