How severe is CVE-2025-43728?

CVE-2025-43728 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-43728 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-43728?

CVE-2025-43728 affects Dell Thinos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-43728?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-43728 have an EU (EUVD) identifier?

Yes. CVE-2025-43728 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25881.

When was CVE-2025-43728 published?

CVE-2025-43728 was published on 2025-08-27 and last updated on 2026-06-17.

CVE-2025-43728

CVE-2025-43728 is a critical-severity vulnerability in Dell Thinos with a CVSS 3.x base score of 9.6. 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-693.

Key facts

Severity: Critical (CVSS 3.x base score 9.6)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-25881
Weakness: CWE-693
Affected product: Dell Thinos
Published: 2025-08-27
Last modified: 2026-06-17

Description

Dell ThinOS 10, versions prior to 2508_10.0127, contain a Protection Mechanism Failure vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Protection mechanism bypass.

Frequently asked questions

What is CVE-2025-43728?: Dell ThinOS 10, versions prior to 2508_10.0127, contain a Protection Mechanism Failure vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Protection mechanism bypass.
How severe is CVE-2025-43728?: CVE-2025-43728 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-43728 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-43728?: CVE-2025-43728 affects Dell Thinos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-43728?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-43728 have an EU (EUVD) identifier?: Yes. CVE-2025-43728 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25881.
When was CVE-2025-43728 published?: CVE-2025-43728 was published on 2025-08-27 and last updated on 2026-06-17.

References

https://www.dell.com/support/kbdoc/en-us/000359619/dsa-2025-331

Affected products (1)

cpe:2.3:o:dell:thinos:*:*:*:*:*:*:*:*

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