What’s Vulnerable › Vulnerabilities
CVE-2026-24934: An improper certificate validation vulnerability was found in ADM while querying an external server for the device's WAN IP address.
- Severity: low (CVSS 3.7 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-02-03 · updated 2026-06-17
- Weakness: CWE-295
Description
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.
Affected products
- Tenable ASUSTOR Data Master: from 4.1.0.rhu2 through 4.3.3.rof1; from 5.0.0.ra82 before 5.1.2.re51 — fixed in 5.1.2.re51
How to fix
Upgrade to a fixed version: Tenable ASUSTOR Data Master 5.1.2.re51. Check the vendor advisory for mitigations.
References
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