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Advisory: TP-Link System TL-WR841N v14 — tp-link.com/us/support/faq/5270 Clear all filters
TI-2026-53559 CVE-2026-76651 · GHSA-wqxh-m9g7-9pc2

Pre-Authentication Multipart Boundary Buffer Overflow in HTTP Service in TP-Link TL-WR841N

Priority LOW 24

A buffer overflow vulnerability exists in the embedded HTTP service in TL-WR841N v14 when processing multipart/form-data requests.

CVSS 4.0MEDIUM 5.3 Adjacent network No auth No interaction EPSS 0.00444 Published 2026-08-28 Fixed in TL-WR841N(US)_V14_4.19 Build 260820 Rel.33478, TL-WR841N(EU)_V14_4.19 Build 260821 Rel.56588 CWE-120
TI-2026-53558 CVE-2026-76650 · GHSA-wg9w-9v33-74xx

Pre-Authentication NULL Pointer Dereference in UPnP SOAP State Variable Query Processing in TP-Link TL-WR841N

Priority LOW 24

A NULL pointer dereference vulnerability exists in TL-WR841N v14 in the UPnP service when processing SOAP state variable query requests.

CVSS 4.0MEDIUM 5.3 Adjacent network No auth No interaction EPSS 0.00268 Published 2026-08-28 Fixed in TL-WR841N(US)_V14_4.19 Build 260820 Rel.33478, TL-WR841N(EU)_V14_4.19 Build 260821 Rel.56588 CWE-476
TI-2026-53557 CVE-2026-76649 · GHSA-2cvh-668x-j624

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

Priority LOW 24

A NULL pointer dereference vulnerability exists in TL-WR841N v14 in the UPnP service when processing SOAP action requests.

CVSS 4.0MEDIUM 5.3 Adjacent network No auth No interaction EPSS 0.00268 Published 2026-08-28 Fixed in TL-WR841N(US)_V14_4.19 Build 260820 Rel.33478, TL-WR841N(EU)_V14_4.19 Build 260821 Rel.56588 CWE-476