CVE-2022-31224: Dell Chengming 3900 Firmware

Low severity, CVSS 2.4. EPSS: 0.2% chance of exploitation in the next 30 days.

Dell BIOS versions contain an Improper Protection Against Voltage and Clock Glitches vulnerability. An attacker with physical access to the system could potentially exploit this vulnerability by triggering a fault condition in order to change the behavior of the system.

Affected products

Dell Chengming 3900 Firmware: before 1.1.66 (fixed in 1.1.66)
Dell Inspiron 14 Plus 7420 Firmware: before 1.2.0 (fixed in 1.2.0)
Dell Inspiron 16 Plus 7620 Firmware: before 1.2.0 (fixed in 1.2.0)
Dell Inspiron 3910 Firmware: before 1.1.66 (fixed in 1.1.66)
Dell Inspiron 5320 Firmware: before 1.1.0 (fixed in 1.1.0)
Dell Inspiron 5420 Firmware: before 1.4.1 (fixed in 1.4.1)
Dell Inspiron 5620 Firmware: before 1.4.1 (fixed in 1.4.1)
Dell Inspiron 7420 Firmware: before 1.3.0 (fixed in 1.3.0)
Dell Inspiron 7620 Firmware: before 1.3.0 (fixed in 1.3.0)
Dell Optiplex 3000 Firmware: before 1.1.66 (fixed in 1.1.66)
Dell Optiplex 3000 Thin Client Firmware: before 1.0.7 (fixed in 1.0.7)
Dell Optiplex 5000 Firmware: before 1.3.62 (fixed in 1.3.62)
Dell Optiplex 5400 Firmware: before 1.0.13 (fixed in 1.0.13)
Dell Optiplex 7000 Firmware: before 1.3.62 (fixed in 1.3.62)
Dell Optiplex 7000 Oem Firmware: before 1.3.62 (fixed in 1.3.62)
Dell Optiplex 7400 Firmware: before 1.0.13 (fixed in 1.0.13)
Dell Precision 3460 Small Form Factor Firmware: before 1.3.62 (fixed in 1.3.62)
Dell Precision 3660 Tower Firmware: before 1.3.71 (fixed in 1.3.71)
Dell Precision 5770 Firmware: before 1.6.0 (fixed in 1.6.0)
Dell Vostro 3710 Firmware: before 1.1.66 (fixed in 1.1.66)
Dell Vostro 3910 Firmware: before 1.1.66 (fixed in 1.1.66)
Dell Vostro 5320 Firmware: before 1.1.0 (fixed in 1.1.0)
Dell Vostro 5620 Firmware: before 1.4.1 (fixed in 1.4.1)
Dell Vostro 7620 Firmware: before 1.2.0 (fixed in 1.2.0)
Dell Xps 17 9720 Firmware: before 1.6.0 (fixed in 1.6.0)

Published 2022-09-12. Last modified 2026-06-17.