CVE-2025-43728 Security feature bypass in ThinOS 10

Critical 9.6 Published 27 Aug 2025 Updated 26 Feb 2026

An unauthenticated remote attacker can bypass protection mechanisms in Dell ThinOS 10, compromising system security controls.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2025-43728?

CVE-2025-43728 is a critical vulnerability in Dell ThinOS 10, published on 27 Aug 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-693

Which versions are affected by CVE-2025-43728?

It affects 1 product.

Products include Dell Thinos.

How do I fix CVE-2025-43728?

No fix has been published for CVE-2025-43728 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-43728 being exploited?

There is no known exploitation of CVE-2025-43728 in the wild and no public exploit code.

Sources

Also known as GHSA-fhjj-chj3-4xqv.