Skip to main content
Live Webinar with SANS (June 25)— Agentic CTI Automation for Fun & ProfitRegister Free
Mallory
Back to vulnerabilities
High

DoS via Invalid COM Input in Studio 5000 Logix Designer ArmorStart Classic AOP

IdentifiersCVE-2025-9437CWE-755· Improper Handling of Exceptional…

CVE-2025-9437 is a denial-of-service vulnerability in the Studio 5000 Logix Designer add-on profile (AOP) for the Rockwell Automation ArmorStart Classic distributed motor controller, affecting versions V2.05.07 and prior. The vulnerability arises from improper handling of invalid values input into Component Object Model (COM) methods, resulting in an uncaught exception (CWE-755). This flaw can be exploited remotely over the network without authentication or user interaction, causing the affected software to crash or become unresponsive.

Share:
For your environment

Are you exposed to this one?

Mallory correlates every CVE against your assets, your vendors, and active adversary campaigns. Know which vulnerabilities matter for you, not just which ones are loud.

Start free trial
ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation allows a remote attacker to cause a denial-of-service condition on the affected Studio 5000 Logix Designer AOP, potentially disrupting industrial control system operations in critical manufacturing environments. There is no evidence of code execution or privilege escalation, but the DoS could impact availability of automation processes.

Mitigation

If you can’t patch tonight, do this now.

Mitigation steps include minimizing network exposure of affected systems, segmenting control system networks, placing them behind firewalls, and using secure remote access methods such as up-to-date VPNs. CISA recommends performing risk assessments, monitoring for suspicious activity, and following ICS cybersecurity best practices. Input validation at the application layer may reduce risk if feasible.

Remediation

Patch, then assume compromise.

No official fix or patch is currently available. Rockwell Automation recommends following security best practices, including validating COM method inputs and monitoring for vendor updates. Organizations should monitor the vendor's advisories for future patches or updates addressing this vulnerability.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

ACTIVITY FEED

Recent activity

2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

2 SOURCESView more in app
What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
Start free trial
Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity

Community discussion across Reddit, Mastodon, and other social sources.

EXTERNAL REFERENCES
MITRE CVE
cve.org · CVE-2025-9437
NVD
nvd.nist.gov/vuln/detail/CVE-2025-9437
MITRE CWE · CWE-755
Improper Handling of Exceptional Conditions
rockwellautomation.com
rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1751.html