CVE-2026-1601: Totolink A7000R cstecgi.cgi setUploadUserData command injection

Published Jan 29, 2026
·
Updated

A weakness has been identified in Totolink A7000R 4.1cu.4154. The impacted element is the function setUploadUserData of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument FileName can lead to command injection. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.

Affected Software

3 affected components
TOTOLINK A7000R
All of the following
TOTOLINK A7000R firmware=4.1cu.4154
TOTOLINK A7000R

Event History

Jan 29, 2026
CVE Published
via MITRE·06:32 PM
Data Sourced
via MITRE·06:32 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-1601?

The severity of CVE-2026-1601 is classified as high due to the potential for command injection.

2

How do I fix CVE-2026-1601?

To fix CVE-2026-1601, update the Totolink A7000R to the latest firmware version that addresses the vulnerability.

3

What does CVE-2026-1601 affect?

CVE-2026-1601 affects the Totolink A7000R router, specifically the function setUploadUserData in cstecgi.cgi.

4

Can CVE-2026-1601 lead to a data breach?

Yes, CVE-2026-1601 can potentially allow an attacker to execute arbitrary commands, leading to unauthorized access and data breaches.

5

Is CVE-2026-1601 remotely exploitable?

Yes, CVE-2026-1601 is remotely exploitable, which means an attacker can exploit this vulnerability over a network without physical access.

Company

Resources

Contact

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CVE-2026-1601 - Totolink A7000R cstecgi.cgi setUploadUserData command injection - SecAlerts