CVE-2026-76649: CWE-476 NULL pointer dereference in TP-Link System Inc. TL-WR841N v14
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.
CVE-2026-76649: CWE-476 NULL pointer dereference in TP-Link System Inc. TL-WR841N v14
Description
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.
CVSS v4.0
Score 5.3medium
Affected software
Weaknesses
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-2cvh-668x-j624
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-76649"]
- Ecosystems
- []
- Database Specific Severity
- MODERATE
- Cvss Version
- 4.0
Threat ID: 6a92f7dbacd9273b49e75b07
Added to database: 08/29/2026, 15:16:43 UTC
Last updated: 08/29/2026, 15:22:20 UTC
Views: 1
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