CVE-2026-10141 TOTOLINK X2000R - Unrestricted File Upload

TOTOLINK X2000R TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327 contains an unsigned firmware vulnerability caused by lack of firmware signature verification in the Firmware Update functionality, letting authenticated attackers perform arbitrary firmware updates, exploit requires authenticated HTTP request.

CVSS base score 9.1 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Unrestricted File Upload
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Published
20 October 2026
Updated
21 October 2026
Weakness
CWE-347

Vendor fix

Update to the latest firmware version with proper firmware signature verification.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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