Summary
generated automatically from NVD dataThe TOTOLINK X2000R router, in version TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327, has a missing firmware signature verification flaw (CWE-347) in the firmware update function of its boa web server. An attacker who sends an authenticated HTTP request with a specially crafted firmware binary can get an arbitrary firmware image installed on the device. The vulnerability is rated CRITICAL with a CVSS v3.1 score of 9.1.
NVD description
A Unsigned Firmware vulnerability exists in the boa Firmware Update functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted firmware binary can lead to arbitrary firmware update. An attacker can make an authenticated HTTP request to trigger this vulnerability.
EPSS · FIRST.org
0.41%probability of exploitation in the next 30 days
Higher than 33% of scored CVEs
EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-21, recomputed daily by FIRST.org.
In-depth analysis on cveo.tech
We've published a detailed analysis of this CVE — exploitation, IOCs and mitigation.
CVSS v3.1 Score
Information
- Published
- 20 oct. 2026
- Updated
- 20 oct. 2026
- Status
- Received
- Source
- talos-cna@cisco.com
Weaknesses (CWE)
Similar CVEs
Other vulnerabilities of type CWE-347
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