CVE-2026-34124: high-severity vulnerability in TP-Link Systems Inc. Tapo C520WS v2.6
Denial of Service via Path Expansion Overflow in HTTP Service in TP-Link Tapo C520WS
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.1epss 0.3%
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.
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
Affected products
TP-Link Systems Inc. · Tapo C520WS v2.6Related CVEs — TP-Link Systems Inc. Tapo C520WS v2.6
In the same product, most dangerous first.
CVE-2025-8065HIGHRemote Code Execution via Stack-based Buffer Overflow in ONVIF SOAP Parser in TP-Link Tapo C200 and C520WSEPSS 0.5%CVE-2026-34121HIGHAuthentication Bypass in DS Configuration Service via HTTP Request Parsing Differential of TP-Link Tapo C520WS and C210EPSS 0.5%CVE-2026-34118HIGHHeap-based Buffer Overflow Vulnerability Leading to Denial-of-Service in multiple TP-Link Tapo CamerasEPSS 0.5%CVE-2026-34122HIGHStack-based Buffer Overflow Leading to Denial of Service in TP-Link Tapo C520WSEPSS 0.3%CVE-2026-34120HIGHHeap-based Buffer Overflow Vulnerability Leading to Denial-of-Service in TP-Link Tapo C520WSEPSS 0.2%CVE-2026-34119HIGHHeap-based Buffer Overflow Vulnerability Leading to Denial-of-Service in TP-Link Tapo C520WSEPSS 0.2%