CVE-2025-4355: Tenda DAP-1520 api set_ws_action heap-based overflow

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% 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 classified as critical. This affects the function set_ws_action of the file /dws/api/. The manipulation leads to heap-based buffer overflow. It is possible to initiate the attack 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/DAP-1520_set_ws_action/DAP-1520_set_ws_action.md
https://vuldb.com/?ctiid.307473
https://vuldb.com/?id.307473
https://vuldb.com/?submit.564720
https://www.tenda.com.cn/

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