Is CVE-2026-105484 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-105484 being exploited in the wild.

How severe is CVE-2026-105484?

Critical severity, with a CVSS score of 10, published 6 October 2026.

Which products and versions are affected?

TOTOLINK X6000R 9.4.0cu.652_B20230116.

Is there a fix for CVE-2026-105484?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is CVE-2026-105484 attacked?

It is attacked over the network, in a network appliance.

Am I affected by CVE-2026-105484?

Check whether you run TOTOLINK X6000R at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-105484: TOTOLINK X6000R OS command injection in firmware upload

CVE-2026-105484 · Severity: critical · CVSS 10 · Published 2026-10-06

The TOTOLINK X6000R router contains a critical vulnerability in its firmware upload function that allows remote attackers to inject arbitrary operating system commands. An attacker can exploit this flaw to gain complete control of the device, potentially leading to network compromise, data theft, or use as a pivot point for further attacks.

Vendors: TOTOLINK.

Quick answers

Is CVE-2026-105484 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-105484 being exploited in the wild.
How severe is CVE-2026-105484?: Critical severity, with a CVSS score of 10, published 6 October 2026.
Which products and versions are affected?: TOTOLINK X6000R 9.4.0cu.652_B20230116.
Is there a fix for CVE-2026-105484?: No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-105484 attacked?: It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-105484?: Check whether you run TOTOLINK X6000R at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

The firmware_check function in /cgi-bin/cstecgi.cgi fails to properly sanitize the file_name parameter in the UploadFirmwareFile Handler, allowing OS command injection. The vulnerability is remotely exploitable without authentication and can result in arbitrary code execution with device root privileges.

Affected products

TOTOLINK X6000R 9.4.0cu.652_B20230116

Timeline

2026-10-06: disclosed

References

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