www.cisa.gov 5/26/2026, 4:51:37 PM · external

ABB Zenon Remote Service Flaw Allows Unauthenticated Reboots

CyberSIXT Evidence Panel
Primary Source cve.org

CISA released an advisory on May 26, 2026, concerning a vulnerability in the ABB Ability™ Zenon Remote Transport Service (Advisory code: ICSA-26-146-03). This vulnerability allows unauthorized access to the Reboot OS function, enabling attackers to reboot the system without authentication. However, exploitation requires prior network access. Affected versions include ABB Ability™ Zenon from >=7.50 to <=14. The CVSS score for this vulnerability is 7.5, classified as high severity. Recommendations include restricting network access and assessing the necessity of the Remote Transport functionality.

View Primary Source Via www.cisa.gov

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