CVE-2026-24936: Asustor Data Master

Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days.

When a specific function is enabled while joining a AD Domain from ADM, an improper input parameters validation vulnerability in a specific CGI program allowing an unauthenticated remote attacker to write arbitrary data to any file on the system. By exploiting this vulnerability, attackers can overwrite critical system files, leading to a complete system compromise. Affected products and versions include: from ADM 4.1.0 through ADM 4.3.3.ROF1 as well as from ADM 5.0.0 through ADM 5.1.1.RCI1.

Affected products

• Asustor Data Master: from 4.1.0.rhu2, up to and including 4.3.3.rof1; from 5.0.0.ra82, before 5.1.2.re51 (fixed in 5.1.2.re51)

Published 2026-02-03. Last modified 2026-06-17.