A security vulnerability has been detected in Totolink... · CVE-2026-5178 · GitHub Advisory Database · GitHub

A security vulnerability has been detected in Totolink...

Moderate severity Unreviewed Published Mar 31, 2026 to the GitHub Advisory Database • Updated Mar 31, 2026

Package

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Affected versions

Unknown

Patched versions

Unknown

Description

A security vulnerability has been detected in Totolink A3300R 17.0.0cu.557_b20221024. Affected by this issue is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument vlanPriLan3 leads to command injection. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.

References

Published by the National Vulnerability Database

Mar 31, 2026

Published to the GitHub Advisory Database Mar 31, 2026

Last updated Mar 31, 2026

Weaknesses

CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. Learn more on MITRE.