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CVE-2026-24936

Asustor Data Master vulnerability

9.8 CRITICALEPSS 0.86%
  1. Published3 Feb 2026

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 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Asustor Data Master≥ 4.1.0.rhu2 ≤ 4.3.3.rof1 · ≥ 5.0.0.ra82 < 5.1.2.re51

Remediation

Fixed in
Asustor Data Master≥ 5.1.2.re51

References

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Frequently asked

Is CVE-2026-24936 being actively exploited?

CVE-2026-24936 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.86%.

How severe is CVE-2026-24936?

CVE-2026-24936 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.86% probability of exploitation.

Which products are affected by CVE-2026-24936?

Affected products include Asustor Data Master.

How do I fix CVE-2026-24936?

Upgrade affected software to a fixed version, for example Asustor Data Master 5.1.2.re51 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-24936 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.