Critical severity · published Oct 6, 2026
CVE-2026-105484
TOTOLINK X6000R UploadFirmwareFile cstecgi.cgi firmware_check os command injection
10.0
CVSS
2.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
X6
X6000R · TOTOLINK
9.4.0cu.652_B20230116 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-105484
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-105484
vdb-entry
https://vuldb.com/vuln/413619
signature
https://vuldb.com/vuln/413619/cti
third-party-advisory
https://vuldb.com/cve/CVE-2026-105484
third-party-advisory
https://vuldb.com/submit/984434
broken-link
https://www.totolink.net/
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