CVE-2026-111854CWE-22path-traversal

CVE-2026-111854

High · published October 17, 2026

CVSS v3.1
8.1
EPSS
0%
Percentile
32.0
In the wild
Unconfirmed
What it is

An issue was discovered on Tektronix 3 Series MDO devices before 1.21.1. A path traversal vulnerability in the SCPI FILESystem command interface allows remote attackers to read or modify arbitrary files on the device through insufficient validation of file paths supplied to filesystem access commands.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00391 · 32.0th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-10-17T06:17Z
References (2)
https://www.tek.com/en/products/oscilloscopes/3-series-mdo · [email protected]https://download.tek.com/document/TEK-PSA-002-092026.pdf · [email protected]
EPSS history
Timeline
  • 18 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 17 OCT 02:08Z
    An issue was discovered on Tektronix 3 Series MDO devices before 1.21.1
    cvelistv5
  • 17 OCT 02:08Z
    An issue was discovered on Tektronix 3 Series MDO devices before 1.21.1
    cvelistv5