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CVE PROGRAM SOURCE RECORD7.1 High

CVE-2026-3622

Denial-of-Service Vulnerability in UPnP Component of TP Link's TL-WR841N

Description

The vulnerability exists in the UPnP component of TL-WR841N v14, where improper input validation leads to an out-of-bounds read, potentially causing a crash of the UPnP service. Successful exploitation can cause the UPnP service to crash, resulting in a Denial-of-Service condition.  This vulnerability affects TL-WR841N v14 < EN_0.9.1 4.19 Build 260303 Rel.42399n (V14_260303) and < US_0.9.1.4.19 Build 260312 Rel. 49108n (V14_0304).

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

TP-Link Systems Inc. TL-WR841N v14

Default version status: unaffected

  • 0 to < 0.9.1 4.19affected

References