CVE-2025-43728: Dell ThinOS 10 · Protection Mechanism Failure
Affects Dell ThinOS 10Source CVE Database V5
Not known to be exploited · CVSS 9.6 Critical.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 28% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 27 Aug 2025
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 26 Oct 2026.
What to do
AI-suggested
Organizations should immediately inventory their use of Dell ThinOS 10 devices and identify those running versions prior to 2508_10.0127. Until a patch is available and applied, implement network segmentation to isolate ThinOS devices from sensitive internal networks. Enforce strict access controls and limit remote access to these devices using VPNs with multi-factor authentication. Deploy endpoint detection and response (EDR) solutions to monitor for unusual behaviors indicative of exploitation attempts. Educate users about the risks of social engineering and the importance of cautious interaction with remote prompts or connections. Regularly monitor Dell's security advisories for patch releases and apply updates promptly. Additionally, consider disabling unnecessary services or features on ThinOS devices that could be leveraged by attackers. Conduct penetration testing and vulnerability assessments focused on ThinOS endpoints to identify and remediate potential attack vectors proactively.
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.