What is CVE-2026-111854?

CVE-2026-111854 is a high-severity vulnerability, classified under Path Traversal. CVSS score: 8.1/10. Published 2026-10-17.

How severe is CVE-2026-111854?

High severity. CVSS v3 base score is 8.1 out of 10.

CVE-2026-111854

CVE-2026-111854

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.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2026-10-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Weakness classification (CWE)

CWE-22 — Path Traversal

References

Frequently asked questions

What is CVE-2026-111854?: CVE-2026-111854 is a high-severity vulnerability, classified under Path Traversal. CVSS score: 8.1/10. Published 2026-10-17.
How severe is CVE-2026-111854?: High severity. CVSS v3 base score is 8.1 out of 10.