CVE-2026-12656

CVSS 8.7 (high) · published 2026-10-13

A denial-of-service security issue exists in the affected product and version. The security issue stems from improper handling of network storm traffic, which can interrupt communication, cause device faults, and affect open TCP and UDP ports. A power cycle is required to recover the device to its normal state.

Weakness: CWE-770

Source: NVD CVE-2026-12656

References

• https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1801.html

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