CVE-2026-7720 MEDIUM

CVE-2026-7720: Totolink WA300 POST Request cstecgi.cgi setLanguageCfg command injection

Vendor Totolink
Product WA300
Weakness CWE-77
Published May 4, 2026
Last update May 4, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 4, 2026 CVE published
May 4, 2026 Record updated