Vulnerability · CVE-2026-111854
An issue was discovered on Tektronix 3 Series MDO devices before 1.21.1.
Published Oct 17, 2026 · catalog updated Oct 19, 2026 · An issue was discovered
Check if you run it
No confirmed exploitation is on record for CVE-2026-111854. EPSS is 0.39%. Act only if a listed version of An issue was discovered is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (An issue was discovered).
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- High8.1
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.39%
- Remediation
- Not established
- Affected products
- See sources for product scope
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.
No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.
How to fix CVE-2026-111854
Recommended remediation
No required-action text, fix commit, or clear fixed-version range is stored yet.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-111854. EPSS is 0.39%. Act only if a listed version of An issue was discovered is installed.
Which versions are affected?
Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-22: Path Traversal. EPSS 0.39%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Oct 17, 2026 · Tenable CVE Database
Detected
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.
Oct 19, 2026 · NIST NVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2026-111854
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-111854
30-day exploitation probability 0.4%
first.org - NIST NVDVulnerability recordCVE-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 files
nvd.nist.gov - Tenable CVE DatabaseVulnerability recordCVE-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.
tenable.com
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.