CVE-2026-7720

What it is

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.

At a glance

Exploitability

Can be exploited over the network with a low-privilege account. Limited direct impact.

Exploit odds

1.0% chance of exploitation in the next 30 days (EPSS).

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2026-05-04 02:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-10-26 19:10 UTC Last updatedMost recent change to the record

Details

Published

2026-05-04 02:15 UTC

Last modified

2026-10-26 19:10 UTC

Exploit probability

1.0% · EPSS, next 30 days

Weakness

CWE-74

Record status

Deferred

Attack profile CVSS 4.0 · 2.1

Attack vector

Network

Complexity

Low

Attack requirements

None

Privileges needed

Low

User interaction

None

Confidentiality

Low

Integrity

Low

Availability

Low