CVE-2025-3666

Medium

Description

A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513 and classified as critical. Affected by this issue is the function setDdnsCfg of the file /cgi-bin/cstecgi.cgi. The manipulation leads to improper access controls. The attack may 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.

SeverityMedium
CVSS5.3
Exploit probability—
ProductTotolink A3700r Firmware
PublishedApr 16, 2025
First seenApr 16, 2025

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
totolink a3700r_firmware9.1.2u.5822_b20200513—

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