CVE-2026-9827CWE-22path-traversal

CVE-2026-9827

Critical · published October 21, 2026

CVSS v3.1
9.1
EPSS
1%
Percentile
61.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00976 · 61.8th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-10-21T01:17Z
References (1)
https://talosintelligence.com/vulnerability_reports/TALOS-2026-2430 · [email protected]
EPSS history
Timeline
  • 22 OCT 03:36Z
    EPSS moved — → 1%
    epss
  • 20 OCT 20:25Z
    A arbitrary file write vulnerability exists in the boa formUploadFile functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327)
    cvelistv5
  • 20 OCT 20:25Z
    A arbitrary file write vulnerability exists in the boa formUploadFile functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327)
    cvelistv5