Buffer overflow in Tp-link Tapo_c520ws
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 restrictions on the raw request path but does not account for path expansion perfor…
Vulnerability class: Buffer Overflow
EPSS: 0.003 (21.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Tp-link Tapo_c520ws — versions 2.6
- Tp-link Tapo_c520ws_firmware
- Tp-link Systems Inc. Tapo C520ws V2.6 — versions 0
Weakness classification (CWE)
References
- f23511db-6c3e-4e32-a477-6aa17d310630 (Release Notes, patch)
- f23511db-6c3e-4e32-a477-6aa17d310630 (Release Notes, patch)
- f23511db-6c3e-4e32-a477-6aa17d310630 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-34124?
- CVE-2026-34124 is a medium-severity vulnerability in Tp-link Tapo_c520ws, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.5/10. Published 2026-04-02.
- How severe is CVE-2026-34124?
- Medium severity. CVSS v3 base score is 6.5 out of 10.