EUVD-2026-18436
GHSA-9mqg-m9h5-3xhj
CVSS Vector
CVSS: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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Description
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.
Analysis
Denial-of-service vulnerability in TP-Link Tapo C520WS v2.6 camera allows adjacent network attackers to trigger buffer overflow through crafted HTTP requests with excessively long paths that bypass initial length validation during path normalization, resulting in memory corruption and device reboot without requiring authentication. Vendor has released a patch; no public exploit code identified at time of analysis.
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