How severe is CVE-2026-24932?

CVE-2026-24932 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-24932 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-24932?

CVE-2026-24932 affects Asustor Data Master. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-24932?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-24932 have an EU (EUVD) identifier?

Yes. CVE-2026-24932 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5283.

When was CVE-2026-24932 published?

CVE-2026-24932 was published on 2026-02-03 and last updated on 2026-06-17.

CVE-2026-24932

CVE-2026-24932 is a medium-severity vulnerability in Asustor Data Master with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v4: 8.9
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-5283
Weakness: CWE-295
Affected product: Asustor Data Master
Published: 2026-02-03
Last modified: 2026-06-17

Description

The DDNS update function in ADM fails to properly validate the hostname of the DDNS server's TLS/SSL certificate. Although the connection uses HTTPS, an improper validated TLS/SSL certificates allows a remote attacker can intercept the communication to perform a Man-in-the-Middle (MitM) attack, which may obtain the sensitive information of DDNS updating process, including the user's account email, MD5 hashed password, and device serial number.This issue affects ADM: from 4.1.0 through 4.3.3.ROF1, from 5.0.0 through 5.1.1.RCI1.

Frequently asked questions

What is CVE-2026-24932?: The DDNS update function in ADM fails to properly validate the hostname of the DDNS server's TLS/SSL certificate. Although the connection uses HTTPS, an improper validated TLS/SSL certificates allows a remote attacker can intercept the communication to perform a Man-in-the-Middle (MitM) attack, which may obtain the sensitive information of DDNS updating process, including the user's account email, MD5 hashed password, and device serial number.This issue affects ADM: from 4.1.0 through 4.3.3.ROF1, from 5.0.0 through 5.1.1.RCI1.
How severe is CVE-2026-24932?: CVE-2026-24932 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-24932 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-24932?: CVE-2026-24932 affects Asustor Data Master. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-24932?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-24932 have an EU (EUVD) identifier?: Yes. CVE-2026-24932 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5283.
When was CVE-2026-24932 published?: CVE-2026-24932 was published on 2026-02-03 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:o:asustor:data_master:*:*:*:*:*:*:*:*

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