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CVE-2026-76649

Pre-Authentication NULL Pointer Dereference in UPnP SOAP Action Request Processing in TP-Link TL-WR841N PUBLISHED

Description (CNA)

A NULL pointer dereference vulnerability exists in TL-WR841N v14 in the UPnP service when processing SOAP action requests. A specially crafted SOAP action request containing unexpected XML content may cause the UPnP daemon to terminate unexpectedly. Successful exploitation may result in a denial-of-service condition affecting UPnP functionality until the service is restarted or the device is rebooted.

Affected (CNA)

Vendor / productVersions
TP-Link System Inc. / TL-WR841N v14affected 0 before TL-WR841N(US)_V14_4.19 Build 260820 Rel.33478; affected 0 before TL-WR841N(EU)_V14_4.19 Build 260821 Rel.56588

CWE

CWE-476

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.