Exposed IOCTL with Insufficient Access Control in Ethernet Adapters 800 Series Controllers - CVE-2025-27535
Published: February 13, 2026
Vulnerability identifier: #VU122787
CSH Severity: Low
CVSS v4: 5.6 [CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-27535
CWE-ID: CWE-782
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient access control in the IOCTL within the firmware. A local administrator can cause a denial of service condition.
Affected software
Ethernet Adapters 800 Series Controllers
How to mitigate CVE-2025-27535
Install updates from vendor's website.
Ethernet Adapters 800 Series Controllers - update to 30.3