CVE-2026-7720

Medium

Description

A weakness has been identified in Totolink WA300 5.2cu.7112_B20190227. The impacted element is the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. This manipulation of the argument langType causes command injection. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.

SeverityMedium
CVSS6.3
Exploit probability—
ProductTotolink Wa300 Firmware
PublishedMay 4, 2026
First seenMay 4, 2026

How to fix

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

Affected products

ProductAffected versionsFixed in
totolink wa300_firmware5.2cu.7112_B20190227—

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