CVE-2025-9161

highpriority · track · 35EPSS 0.006 · 46 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.55% (46th) EPSS

CVSS 8.8 · high

Is it mine?

6 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · cisa_csaf_ot

EPSS · scored 2026-10-27

A security issue exists within FactoryTalk Optix MQTT broker due to the lack of URI sanitization. This flaw enables the loading of remote Mosquito plugins, which can be used to achieve remote code execution.

remediations

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

A vendor fix is available.

FixedFactoryTalk Optixcisa_csaf_ot
Rockwell Automation recommends users update FactoryTalk Optix software to Version 1.6.0 or later.
MitigationFactoryTalk Optixcisa_csaf_ot
If users are not able to upgrade to one of the corrected versions, Rockwell Automation recommends following their security best practices.
https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1085012/loc/en_US#__highlight

cvss

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

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.4–8.8

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.17.1highCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:Hsecondary · CISA US

v4.07.3highCVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.07.3highCVSS:4.0/AV:N/AC:H/AT:P/PR:L/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

v4.04.4mediumCVSS:4.0/AV:N/AC:H/AT:P/PR:L/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-20USCWE-77US

affected products (6)

Products and version ranges known to be affected.

Rockwell Automation FactoryTalk Optix <1.6.0all versionscert_bundDE
Rockwell Automation FactoryTalk≤ Optix <1.6.0cert_bundDE
Rockwell Automation FactoryTalk Optix: >=1.5.0|<=1.5.7all versionscisa_csaf_otUS
Rockwell Automation FactoryTalk Optix1.5.0| → 1.5.7cisa_csaf_otUS
Rockwell Automation FactoryTalk Optix≤ All Versions 1.5.0 - 1.5.7enisa_euvdEU
rockwellautomation factorytalk optix1.5.0 → 1.6.0nvdUScpe:2.3:a:rockwellautomation:factorytalk_optix:*:*:*:*:*:*:*:*

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-1997Rockwell Automation FactoryTalk: Mehrere SchwachstellenDeutsch2025-09-08csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Rockwell Automation FactoryTalk ausnutzen, um Informationen offenzulegen, Daten zu manipulieren und beliebigen Code auszuführen.
ICSA-25-252-04Rockwell Automation FactoryTalk Optix2025-09-09icsa · cisa_csaf_otUS
Successful exploitation of this vulnerability could result in an attacker achieving remote code execution.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund cisa_csaf_ot nvd NVD CVE.org MITRE

published 2025-09-09modified 2026-06-17

references (3)

External citations — patches, advisories, analysis.

scry

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