CVE-2026-5679: Totolink A3300R cstecgi.cgi vsetTr069Cfg os command injection

Published Apr 6, 2026
·
Updated

A security vulnerability has been detected in Totolink A3300R 17.0.0cu.557B20221024. The impacted element is the function vsetTr069Cfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument stunpass leads to os command injection. The exploit has been disclosed publicly and may be used.

Affected Software

1 affected component
TOTOLINK A3300R=17.0.0cu.557_B20221024

Event History

Apr 6, 2026
CVE Published
via MITRE·07:00 PM
Data Sourced
via MITRE·07:00 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:16 PM
DescriptionSeverityWeakness
Nov 16, 58530
Event
via NVD·02:58 AM
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Frequently Asked Questions

1

What is the severity of CVE-2026-5679?

The severity of CVE-2026-5679 is rated as medium with a score of 5.1.

2

How do I fix CVE-2026-5679?

To fix CVE-2026-5679, update the Totolink A3300R firmware to the latest version provided by the vendor.

3

What type of vulnerability is CVE-2026-5679?

CVE-2026-5679 is classified as an OS Command Injection vulnerability that affects the vsetTr069Cfg function.

4

Which devices are affected by CVE-2026-5679?

CVE-2026-5679 specifically affects the Totolink A3300R with firmware version 17.0.0cu.557_B20221024.

5

What is the risk associated with CVE-2026-5679?

The risk associated with CVE-2026-5679 is rated at 30, indicating a potential for significant impact if exploited.

Contact

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