CVE-2021-36343: Dell Alienware 13 r3 Firmware

Medium severity, CVSS 6.4. EPSS: 0.2% chance of exploitation in the next 30 days.

Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.

Affected products

Dell Alienware 13 r3 Firmware: before 1.14.0 (fixed in 1.14.0)
Dell Alienware 15 r3 Firmware: before 1.14.0 (fixed in 1.14.0)
Dell Alienware 15 r4 Firmware: before 1.15.0 (fixed in 1.15.0)
Dell Alienware 17 r4 Firmware: before 1.14.0 (fixed in 1.14.0)
Dell Alienware 17 r5 Firmware: before 1.15.0 (fixed in 1.15.0)
Dell Alienware Area 51m r1 Firmware: before 1.16.0 (fixed in 1.16.0)
Dell Alienware Area 51m r2 Firmware: before 1.11.0 (fixed in 1.11.0)
Dell Alienware Aurora r11 Firmware: before 1.0.10 (fixed in 1.0.10)
Dell Alienware Aurora r12 Firmware: before 1.1.8 (fixed in 1.1.8)
Dell Alienware Aurora r8 Firmware: before 1.0.18 (fixed in 1.0.18)
Dell Alienware Aurora r9 Firmware: before 1.0.15 (fixed in 1.0.15)
Dell Alienware m15 r1 Firmware: before 2.10.0 (fixed in 2.10.0)
Dell Alienware m15 r2 Firmware: before 1.10.0 (fixed in 1.10.0)
Dell Alienware m15 r3 Firmware: before 1.12.0 (fixed in 1.12.0)
Dell Alienware m15 r4 Firmware: before 1.6.2 (fixed in 1.6.2)
Dell Alienware m17 r1 Firmware: before 2.10.0 (fixed in 2.10.0)
Dell Alienware m17 r2 Firmware: before 1.10.0 (fixed in 1.10.0)
Dell Alienware m17 r3 Firmware: before 1.12.0 (fixed in 1.12.0)
Dell Alienware m17 r4 Firmware: before 1.6.2 (fixed in 1.6.2)
Dell Alienware x15 r1 Firmware: before 1.5.0 (fixed in 1.5.0)
Dell Alienware x17 r1 Firmware: before 1.5.0 (fixed in 1.5.0)
Dell Chengming 3977 Firmware: before 1.14.0 (fixed in 1.14.0)
Dell Chengming 3980 Firmware: before 2.20.0 (fixed in 2.20.0)
Dell Chengming 3988 Firmware: before 1.8.0 (fixed in 1.8.0)
Dell Chengming 3990 Firmware: before 1.6.0 (fixed in 1.6.0)
and 386 more

Published 2022-01-24. Last modified 2026-10-07.