Critical severity · published Feb 3, 2026
CVE-2026-24936
An improper input validation vulnerability was found in ADM while joining a AD Domain.
9.8
CVSS
0.9%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AD
ADM · ASUSTOR
4.1.0 through 4.3.3.ROF1; 5.0.0 through 5.1.1.RCI1 · source: vendor
DM
Data Master · Asustor
4.1.0.rhu2 through 4.3.3.rof1; 5.0.0.ra82 before 5.1.2.re51 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-24936
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-24936
Vendor Advisory
https://www.asustor.com/security/security_advisory_detail?id=51
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