Which products and versions are affected by CVE-2026-105484?

Affected: X6000r Firmware (Totolink); X6000R. The full list is in the CVE brief.

Is CVE-2026-105484 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2026-105484 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2026-105484?

No public exploit code is known.

Is there a fix for CVE-2026-105484?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2026-105484 be patched?

Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.

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WatchlistCritical

CVE-2026-105484X6000R Command Injection

A security vulnerability has been detected in TOTOLINK X6000R 9.4.0cu.652_B20230116.

Published Oct 6, 2026 · Updated Oct 6, 2026 · Also known as EUVD-2026-92908, GHSA-34j5-jp28-25g9

Key Facts

Patch in the next maintenance window

CVE-2026-105484 is a critical-severity vulnerability (CVSS 10.0 v4) affecting X6000r Firmware (Totolink), X6000R.
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 2.1% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.

Scores

CVSS v4

10.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X

EPSS (30-day exploit likelihood)

2.1%

Exploit maturity

Proof of concept

ATLAS score

34/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Not listed

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Proof of concept

Public exploit code

Proof-of-concept links

In-the-wild evidence

Reports of active use

Description

A security vulnerability has been detected in TOTOLINK X6000R 9.4.0cu.652_B20230116. The impacted element is the function firmware_check of the file /cgi-bin/cstecgi.cgi of the component UploadFirmwareFile Handler. Such manipulation of the argument file_name leads to os command injection. The attack may be performed from remote.

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
X6000r FirmwareTotolink	See advisory	n/a
X6000R	See advisory	n/a

Timeline

Publicly disclosed
Oct 6, 2026

Weakness Type

CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

References

FAQ

Common Questions.

A security vulnerability has been detected in TOTOLINK X6000R 9.4.0cu.652_B20230116.
Affected: X6000r Firmware (Totolink); X6000R. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.

Is CVE-2026-105484 On Your Attack Surface?

Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.