CVE-2025-3665

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

A vulnerability has been found in TOTOLINK A3700R 9.1.2u.5822_B20200513 and classified as critical. Affected by this vulnerability is the function setSmartQosCfg of the file /cgi-bin/cstecgi.cgi. The manipulation leads to improper access controls. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-266 CWE-284

Affected software

Vendor	Product	Versions
TOTOLINK	A3700R	9.1.2u.5822_B20200513

References

https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setSmartQosCfg-1cb53a41781f80ce9b7aca2c6ff9bea4?pvs=4Exploit
https://vuldb.com/?ctiid.304843Permissions Required, VDB Entry
https://vuldb.com/?id.304843Third Party Advisory, VDB Entry
https://vuldb.com/?submit.551297Third Party Advisory, VDB Entry
https://www.totolink.net/Product
https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setSmartQosCfg-1cb53a41781f80ce9b7aca2c6ff9bea4Exploit

Timeline

Published: Apr 16, 2025
Last modified: Jun 17, 2026
NVD status: Analyzed

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