--- title: "CVE-2026-10141: TOTOLINK X2000R - Unrestricted File Upload" description: "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." url: https://panop.io/threat-heartbeat/CVE-2026-10141/ --- # 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 ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-10141) ## 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](https://cwe.mitre.org/data/definitions/347.html) ## 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 - [https://nvd.nist.gov/vuln/detail/CVE-2026-10141](https://nvd.nist.gov/vuln/detail/CVE-2026-10141) - [https://talosintelligence.com/vulnerability\_reports/TALOS-2026-2440](https://talosintelligence.com/vulnerability_reports/TALOS-2026-2440) [← All CVEs](https://panop.io/threat-heartbeat/) ## What this record can't tell you - Whether you run the affected software, and where - Whether an attacker can actually reach and exploit it - The misconfigurations that never get a CVE number - What it would cost the business, ranked into what to fix first Panop answers these inside your environment, for this CVE and every other finding. [Book a demo](https://panop.io/demo)