CVE-2025-4356: Tenda DAP-1520 Authentication storage mod_graph_auth_uri_handler stack-based overflow

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-05-06 · updated 2026-06-17
Weakness: CWE-119

Description

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.

Affected products

Tenda DAP-1520: 1.10b04-beta02

References

https://github.com/Ghostsuzhijian/Iot-/blob/main/dap1520_mod_graph_auth_uri_handler/dap1520_mod_graph_auth_uri_handler.md
https://vuldb.com/?ctiid.307474
https://vuldb.com/?id.307474
https://vuldb.com/?submit.564722
https://www.tenda.com.cn/

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