Vulnerability on Automation Runtime my cause DoS Conditions
Priority LOW 39CWE-770Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-770.
Summary
An Allocation of Resources Without Limits or Throttling vulnerability in the ANSL-Server component of B&R Automation Runtime versions prior to 6.5 and prior to R4.93 could be exploited by an unauthenti-cated attacker on the network to win a race condition, resulting in permanent denial-of-service (DoS) conditions on affected devices.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00372 31st percentileScored 2026-11-07
Fix Fixed Automation Runtime (B&R Industrial Automation GmbH): R4.93, 6.5
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| B&R Industrial Automation | Automation Runtime | 4 to before R4.93; 6 to before 6.5 | R4.93, 6.5 | Patch available | CNA |
- Automation Runtime VendorB&R Industrial Automation Affected 4 to before R4.93; 6 to before 6.5 Fixed in R4.93, 6.5 Patch available CNA
CPE names Threatist (inferred) · 1
Inferred from how NVD named this product before; not given by a source.
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:br-automation:automation_runtime:*:*:*:*:*:*:*:* | — | — | B&R Industrial Automation |
- cpe:2.3:a:br-automation:automation_runtime:*:*:*:*:*:*:*:* Versions — — ·B&R Industrial Automation
Remediation
- Fix · CNA Automation Runtime (B&R Industrial Automation GmbH) Fixed in R4.93, 6.5
Timeline
- 2026-10-02 Threatist record created from CVE-2025-11044
- 2026-10-03 Alias added: GHSA-37rh-77hj-3pmr
References
More B&R Industrial Automation vulnerabilities
- TI-2023-01522 Improper Authentication Mechanism in B&R VC4 Visualization CVSS 3.1CRITICAL 9.8
- TI-2022-21498 Buffer overflow when changing configuration on Tbase Server CVSS 3.1CRITICAL 9.8
- TI-2022-21496 Memory leak when receiving messages in APROL Tbase server CVSS 3.1CRITICAL 9.8
- TI-2022-21495 Lack of authentication when managing APROL database CVSS 3.1CRITICAL 9.4
- TI-2024-30523 Unauthorized local file reading in B&R APROL CVSS 4.0CRITICAL 9.2
- TI-2024-00297 FTP uses unsecure encryption mechanisms CVSS 3.1CRITICAL 9.8
Sources
- CVE-2025-11044 · CVE Program
- CVE-2025-11044 · NVD
- FIRST EPSS
- GHSA-37rh-77hj-3pmr · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences