Vulnerability in Asustor Adm
CVE-2026-24934
The DDNS function uses an insecure HTTP connection or fails to validate the SSL/TLS certificate when querying an external server for the device's WAN IP address. An unauthenticated remote attacker can perform a Man-in-the-Middle (MitM) attack to spoof the response, leading the device to update its DDNS record with an incorrect IP address. 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.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (4.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 4.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Asustor Adm — versions 4.1.0, 5.0.0
- Asustor Data Master
Weakness classification (CWE)
References
- www.asustor.com/security/security_advisory_detail (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-24934?
- CVE-2026-24934 is a low-severity vulnerability in Asustor Adm, classified under Improper Certificate Validation. CVSS score: 3.7/10. Published 2026-02-03.
- How severe is CVE-2026-24934?
- Low severity. CVSS v3 base score is 3.7 out of 10.