CVE-2025-11918

highpriority · track · 29EPSS 0.002 · 6 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.17% (6th) EPSS

CVSS 7.3 · high

Is it mine?

5 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

Rockwell Automation Arena® suffers from a stack-based buffer overflow vulnerability. The specific flaw exists within the parsing of DOE files. Local attackers are able to exploit this issue to potentially execute arbitrary code on affected installations of Arena®. Exploiting the vulnerability requires opening a malicious DOE file.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedArena Simulationcisa_csaf_ot
Rockwell Automation recommends users upgrade Arena Simulation to version 16.20.11 or later.
https://compatibility.rockwellautomation.com/Pages/MultiProductFindDownloads.aspx?crumb=112&mode=3&refSoft=1&versions=66110
MitigationArena Simulationcisa_csaf_ot
Users who are unable to upgrade the affected software to a correct version should use Rockwell Automation's security best practices.
https://support.rockwellautomation.com/app/answers/answer_view/a_id/1085012/loc/en_US#__highlight

cvss

Technical severity, 0–10. One row per scoring source.

7.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4–7.3

v3.17.3highCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.3 · impact 5.9

v3.17highCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · CISA US

v3.17.3highAV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v4.07.1highCVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.07.1highCVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · PSIRT@rockwellautomation.com

v4.04mediumCVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-121USCWE-121USCWE-121US

affected products (5)

Products and version ranges known to be affected.

Rockwell Automation Arena Simulation: <=16.20.10all versionscisa_csaf_otUS
Rockwell Automation Arena Simulation≤ 16.20.10cisa_csaf_otUS
Rockwell Automation Arena® Simulation≤ Version 16.20.10 and priorenisa_euvdEU
Rockwell Automation Inc. Arena Simulation≤ 16.20.11fstec_bduRU
rockwellautomation arena< 16.20.11nvdUScpe:2.3:a:rockwellautomation:arena:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-25-329-02Rockwell Automation Arena Simulation2025-11-25icsa · cisa_csaf_otUS
Successful exploitation of this vulnerability could allow local attackers to execute arbitrary code on affected installations of Arena.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot nvd NVD CVE.org MITRE

published 2025-11-14modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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