CVE-2025-4355: dap-1520 Buffer Overflow — Exploit

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.

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-122 CWE-122

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
dlink	dap-1520_firmware	All
dlink	dap-1520	All

References

Exploits

https://github.com/Ghostsuzhijian/Iot-/blob/main/DAP-1520_set_ws_action/DAP-1520_set_ws_action.md

Other References

https://vuldb.com/?ctiid.307473 https://vuldb.com/?id.307473 https://vuldb.com/?submit.564720 https://www.tenda.com.cn/

Frequently Asked Questions

What is CVE-2025-4355? +

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. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-4355? +

CVE-2025-4355 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-4355? +

CVE-2025-4355 affects products from dlink, specifically: dap-1520, dap-1520_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-4355? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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