Quick answers
- Is CVE-2025-11044 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2025-11044 being exploited in the wild.
- How severe is CVE-2025-11044?
- High severity, with a CVSS score of 6.8, published 5 May 2026.
- Which products and versions are affected?
- B&R Industrial Automation Automation Runtime < 6.5, < R4.93.
- Is there a fix for CVE-2025-11044?
- A patch was published on 2026-05-05: Fixes released in versions 6.5 and R4.93 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2025-11044 attacked?
- It is attacked over the network, in device firmware.
- Am I affected by CVE-2025-11044?
- Check whether you run B&R Industrial Automation Automation Runtime at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
An 'Allocation of Resources Without Limits or Throttling' vulnerability (CWE-770) exists in the ANSL-Server component of ABB B&R Automation Runtime. An unauthenticated remote attacker can exploit a race condition by sending specially crafted messages to the device. Successful exploitation results in a permanent denial-of-service (DoS) condition, causing the product to stop. The vulnerability is more likely to be exploited in environments with shorter cycle times. Patches are available in Automation Runtime versions 6.5 and R4.93.
Affected products
- ABB B&R Automation Runtime < 6.5, < R4.93
Timeline
- 2026-05-05: advisory: CISA Advisory ICSA-26-125-03 published
- 2026-05-05: patched: Fixes released in versions 6.5 and R4.93