Buffer overflow in Dlink Dap-1520
CVE-2025-4356
A vulnerability was found in Tenda DAP-1520 1.10B04_BETA02. It has been declared as critical. This vulnerability affects the function mod_graph_auth_uri_handler of the file /storage of the component Authentication Handler. The manipulation leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.015 (72.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.015 · change: +0.000
Affected products
- Dlink Dap-1520 — versions a1
- Dlink Dap-1520 Firmware — versions 1.10b04
- Tenda Dap-1520 — versions 1.10B04_BETA02
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/Ghostsuzhijian/Iot-/blob/main/dap1520_mod_graph_auth_uri_handler/dap… (Exploit, exploit)
- www.tenda.com.cn/ (Product, product)
Frequently asked questions
- What is CVE-2025-4356?
- CVE-2025-4356 is a high-severity vulnerability in Dlink Dap-1520, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-05-06.
- How severe is CVE-2025-4356?
- High severity. CVSS v3 base score is 8.8 out of 10.