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Industrial control advisorySeverity 3.7 low
Rockwell Automation 1734 POINT I/O (Update A)
ICSA-26-202-09 · CISA · July 21, 2026
Summary
Successful exploitation of this vulnerability could allow for an attacker to cause a denial-of-service condition on the product.
From CISA, quoted as published. Check the source before acting.
What to do
Rockwell Automation recommends users are to migrate to 5034-OB8.
Customers using the affected software, who are not able to upgrade to one of the corrected versions, should use Rockwell Automation's security best practices (https://support.rockwellautomation.com/app/answers/answer_view/a_id/1085012/loc/en_US#__highlight).
For more information, see Rockwell Automation Security Advisories: https://www.rockwellautomation.com/en-us/trust-center/security-advisories.html.
Vendor fix or mitigation, quoted from the advisory.
Each CVE in this advisory
| CVE | Severity | Known exploited | Exploit likelihood |
|---|---|---|---|
| CVE-2026-10573 | 3.7 low | No | 0.3% |
Severity from the advisory (CVSS), known exploitation from CISA's catalog, exploit likelihood from EPSS (next 30 days).
Affected products
| Vendor | Product |
|---|---|
| Rockwell Automation | 1734 POINT I/O |
Why it's on these mode pages
- Maritime: Vendor table: Rockwell Automation (industrial control makers used in every mode, all modes) (matched by rule)
- Pipeline: Vendor table: Rockwell Automation (industrial control makers used in every mode, all modes) (matched by rule)
- Freight rail: Vendor table: Rockwell Automation (industrial control makers used in every mode, all modes) (matched by rule)
- Passenger rail and transit: Vendor table: Rockwell Automation (industrial control makers used in every mode, all modes) (matched by rule)
- Highway and motor carrier: Vendor table: Rockwell Automation (industrial control makers used in every mode, all modes) (matched by rule)
- Postal and parcel: Vendor table: Rockwell Automation (industrial control makers used in every mode, all modes) (matched by rule)
Change history
- July 21, 2026: Initial Republication of Rockwell Automation Security Advisory
- September 1, 2026: Update A - Updated impact statement and CVSS scores.
- November 9, 2026: First collected by Watch
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