CVE-2026-34124: A denial-of-service vulnerability was identified in TP-Link Tapo C520WS v2.6 within the HTTP request path parsing logic. The implementation enforces length…

PriorityP429medium6.5CVSS 3.1

AVAACLPRNUINSUCNINAH

EPSS

0.30%

21.2th percentile

A denial-of-service vulnerability was identified in TP-Link Tapo C520WS v2.6 within the HTTP request path parsing logic. The implementation enforces length restrictions on the raw request path but does not account for path expansion performed during normalization. An attacker on the adjacent network may send a crafted HTTP request to cause buffer overflow and memory corruption, leading to system interruption or device reboot.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
tp-link	tapo_c520ws_firmware	< 1.2.4	1.2.4
tp-link_systems_inc	tapo_c520ws_v2.6	< 1.2.4 Build 260326 Rel.24666n	1.2.4 Build 260326 Rel.24666n

CVSS provenance

nvdv3.16.5MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

nvdv4.07.1HIGHCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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