1734 POINT I/OTM - Denial of Service via Malformed Inputs on CIP Object (CVE-2026-10573) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-10573

1734 POINT I/OTM - Denial of Service via Malformed Inputs on CIP Object

Answer in brief

CVE-2026-10573 records a Unknown severity vulnerability in 1734 POINT I/OTM - Denial of Service via Malformed Inputs on CIP Object. The current sources do not mark it as known exploited. The current feed maps Rockwell Automation/1734 POINT I/O (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jul 14, 2026Updated Aug 27, 2026Source checked Aug 27, 2026First seen by HOL Aug 27, 2026Material review Aug 27, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Rockwell Automation/1734 POINT I/O (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Rockwell Automation/1734 POINT I/Ogeneric	3.023	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Rockwell Automation/1734 POINT I/O.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Jul 14, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Aug 27, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 27, 2026

Sources and claim methodology

Source referencerockwellautomation.com

Upstream source description

A denial-of-service security issue exists in 1734 POINT I/O™ module. The security issue stems from improper handling of crafted CIP messages, which can cause the module to enter a faulted state. A restart is required to recover.

Quoted source text, attributed separately from HOL analysis.