Medium 6.4Published Jan 24, 2022

CVE-2021-36343Dell BIOS contains an improper input validation vulnerability.

Updated under an hour ago (Oct 27, 2026, 4:20 PM ET)

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It affects dell precision_5820_tower_firmware and 59 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for dell precision_5820_tower_firmware

Exploited in the last 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.

CVSS: 6.4 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-119, CWE-20
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Analyzed
Record last updated: Oct 7, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

dell precision_5820_tower_firmware dell:precision_5820_tower_firmware	before 2.12.1; before 2.12.1	NVD
dell precision_7510_firmware dell:precision_7510_firmware	before 1.24.3	NVD
dell precision_7520_firmware dell:precision_7520_firmware	before 1.22.0	NVD
dell precision_7530_firmware dell:precision_7530_firmware	before 1.18.2	NVD
dell precision_7540_firmware dell:precision_7540_firmware	before 1.15.1	NVD
dell precision_7550_firmware dell:precision_7550_firmware	before 1.10.1	NVD
dell precision_7560_firmware dell:precision_7560_firmware	before 1.5.0	NVD
dell precision_7710_firmware dell:precision_7710_firmware	before 1.24.3	NVD
dell precision_7720_firmware dell:precision_7720_firmware	before 1.22.0	NVD
dell precision_7730_firmware dell:precision_7730_firmware	before 1.18.2	NVD
1–10 of 60

References

References

https://www.dell.com/support/kbdoc/en-us/000193321/dsa-2021-240	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.