Dell ThinOS 10 <2605_10.2616: SVN Mutable Bypass via Physical Access
CVE-2026-81051 Published on September 10, 2026

Dell ThinOS 10, versions prior to 2605_10.2616, contain a Security Version Number Mutable to Older Versions vulnerability. A low privileged attacker with physical access could potentially exploit this vulnerability, leading to Protection mechanism bypass.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-81051 can be exploited with physical access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
PHYSICAL
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

Security Version Number Mutable to Older Versions

Security-version number in hardware is mutable, resulting in the ability to downgrade (roll-back) the boot firmware to vulnerable code versions.


Affected Versions

Dell ThinOS 10: