CVE-2026-24935: ASUSTOR ADM · Improper Certificate Validation
Affects ASUSTOR ADMSource CVE Database V5
Not known to be exploited · CVSS 6.3 Medium.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 4% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 3 Feb 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| ASUSTORADM | Affected
| Fixed in– |
AI-suggested
European organizations should implement the following specific mitigations: 1) Monitor ASUSTOR's official channels for patches addressing CVE-2026-24935 and apply updates promptly once available. 2) Restrict network access to ADM devices by implementing firewall rules that limit signaling server connections to trusted IP addresses and networks, reducing exposure to MitM attacks. 3) Employ network segmentation to isolate NAS devices from general user networks, minimizing the attack surface. 4) Use VPNs or other secure tunneling protocols with strong certificate validation for remote access instead of relying solely on the vulnerable NAT traversal module. 5) Conduct regular network traffic monitoring and anomaly detection to identify potential MitM activities or unusual signaling traffic patterns. 6) Enforce strong authentication mechanisms on ADM devices and consider multi-factor authentication to reduce the impact of intercepted credentials. 7) Educate IT staff about the risks of improper certificate validation and the importance of verifying SSL/TLS connections in networked devices. 8) Review and update incident response plans to include scenarios involving NAS device compromise or service disruption. These measures go beyond generic advice by focusing on network-level controls, monitoring, and operational readiness tailored to the specific vulnerability context.
Description
CVE-2026-24935 is a medium-severity vulnerability in ASUSTOR ADM affecting versions 4.1.0 through 4.3.3. ROF1 and 5.0.0 through 5.1.1.