CVE-2026-76650

Published: Aug 28, 2026Modified: Sep 1, 2026Deferred

5.3

Vector

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow less

Source: f23511db-6c3e-4e32-a477-6aa17d310630 (Secondary)

Description

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.

Related CWEs

CWE-476

NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

References (3)

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

Source: f23511db-6c3e-4e32-a477-6aa17d310630

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

Source: f23511db-6c3e-4e32-a477-6aa17d310630

https://www.tp-link.com/us/support/faq/5270/

Source: f23511db-6c3e-4e32-a477-6aa17d310630

Timeline

No history available yet.