CVE-2022-34401: Dell Alienware m15 a6 Firmware

High severity, CVSS 7.5. EPSS: 0.2% chance of exploitation in the next 30 days.

Dell BIOS contains a stack based buffer overflow vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to send larger than expected input to a parameter in order to gain arbitrary code execution in SMRAM.

Affected products

• Dell Alienware m15 a6 Firmware: before 1.4.3 (fixed in 1.4.3)
• Dell Alienware m17 r5 Firmware: before 1.4.3 (fixed in 1.4.3)
• Dell g15 5525 Firmware: before 1.4.3 (fixed in 1.4.3)

Published 2023-01-18. Last modified 2026-06-17.