Vulnerability · Published Feb 3, 2026 · Assigned by ASUSTOR1

CVE-2026-24933An improper certificate validation vulnerability was found in ADM while sending HTTPS requests to the server.

High 8.9

In plain English

A high-severity improper certificate validation in ADM from ASUSTOR. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities).

Severity (CVSS 4.0)8.9High

Exploit odds (30 days)0.2%top 87.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

The API communication component fails to validate the SSL/TLS certificate when sending HTTPS requests to the server. An improper certificates validation vulnerability allows an unauthenticated remote attacker can perform a Man-in-the-Middle (MitM) attack to intercept the cleartext communication, potentially leading to the exposure of sensitive user information, including account emails, MD5 hashed passwords, and device serial numbers. 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 (as reported)

Vendor	Product	Versions
ASUSTOR	ADM	4.1.0 – through 4.3.3.ROF15.0.0 – through 5.1.1.RCI1

Weakness: CWE-295 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N

References

https://www.asustor.com/security/security_advisory_detail?id=50 vendor-advisory