Vulnerability Database

309,136

Total vulnerabilities in the database

CVE-2022-31223

Dell BIOS versions contain an Improper Neutralization of Null Byte vulnerability. A local authenticated administrator user could potentially exploit this vulnerability by sending unexpected null bytes in order to read memory on the system.

Published: Sep 12, 2022
Updated: Nov 16, 2025
CVE: CVE-2022-31223
Severity: Low
Exploit:

CVSS v3:

Severity: Low
Score: 2.3
AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

CWEs:

CWE-158

Affected Software
References

Software	From	Fixed in
dell / chengming_3900_firmware	-	1.1.66
dell / inspiron_14_plus_7420_firmware	-	1.2.0
dell / inspiron_16_plus_7620_firmware	-	1.2.0
dell / inspiron_3910_firmware	-	1.1.66
dell / inspiron_5320_firmware	-	1.1.0
dell / inspiron_5420_firmware	-	1.4.1
dell / inspiron_5620_firmware	-	1.4.1
dell / inspiron_7420_firmware	-	1.3.0
dell / inspiron_7620_firmware	-	1.3.0
dell / optiplex_3000_firmware	-	1.1.66
dell / optiplex_3000_thin_client_firmware	-	1.0.7
dell / optiplex_5000_firmware	-	1.3.62
dell / optiplex_5400_firmware	-	1.0.13
dell / optiplex_7000_firmware	-	1.3.62
dell / optiplex_7000_oem_firmware	-	1.3.62
dell / optiplex_7400_firmware	-	1.0.13
dell / precision_3460_small_form_factor_firmware	-	1.3.62
dell / precision_3660_tower_firmware	-	1.3.71
dell / precision_5770_firmware	-	1.6.0
dell / vostro_3710_firmware	-	1.1.66
dell / vostro_3910_firmware	-	1.1.66
dell / vostro_5320_firmware	-	1.1.0
dell / vostro_5620_firmware	-	1.4.1
dell / vostro_7620_firmware	-	1.2.0
dell / xps_17_9720_firmware	-	1.6.0

https://www.dell.com/support/kbdoc/000202196

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