Summary
generated automatically from NVD dataThe TOTOLINK X2000R router, in firmware version TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327, has an arbitrary file write flaw in the formUploadFile function of its boa web server. The issue is classified as CWE-22 (path traversal). An authenticated attacker can send a specially crafted HTTP request to write files to arbitrary locations, which can lead to arbitrary code execution. The vulnerability has a CVSS v3.1 score of 9.1 (CRITICAL).
NVD description
A arbitrary file write vulnerability exists in the boa formUploadFile functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.
EPSS · FIRST.org
0.98%probability of exploitation in the next 30 days
Higher than 61% 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-22
Monitor your products
Get automatic alerts for every new CVE affecting your equipment.