CVE-2026-76649
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.
Scoring
- Severity
- MEDIUM
- CVSS base score
- 5.3
- CVSS 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
- EPSS probability
- 0.18%
- CWE
- CWE-476
- Published
- 2026-08-28
- Last modified
- 2026-08-31
Affected products
- TP-Link System Inc. TL-WR841N v14
Weakness type
Related vulnerabilities
- CVE-2026-86547 — mrubyc through 4.0.0 NULL Pointer Dereference via OP_ENTER
- CVE-2026-66303 — Skype for Business and Lync Denial of Service Vulnerability
- CVE-2026-77901 — Microsoft Office Word Remote Code Execution Vulnerability
- CVE-2026-70575 — Windows Schannel Denial of Service Vulnerability
- CVE-2026-69881 — Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability
- CVE-2026-69384 — Virtual Hard Disk (VHD) Miniport Driver Denial of Service Vulnerability
- CVE-2026-62762 — Windows Active Directory Domain Services Denial of Service Vulnerability
- CVE-2026-72949 — Windows SMB Server Network Transport Driver (srvnet.sys) Denial of Service Vulnerability