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Fencer Intel
high 7.5

CVE-2022-34403 json

Dell BIOS contains a Stack based buffer overflow vulnerability.

published 3y ago modified 4mo ago also EUVD-2022-37358

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 5%
public exploits
0
none known

Summary

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

Patch / fix

  • dell alienware_m15_r6_firmware 1.17.0
  • dell alienware_m15_r7_firmware 1.4.3
  • dell alienware_m15_ryzen_edition_r5_firmware 1.8.0
  • dell alienware_m17_r5_amd_firmware 1.4.3
  • dell g15_5510_firmware 1.16.0
  • dell g15_5511_firmware 1.18.0
  • dell g15_5515_firmware 1.8.0
  • dell g15_5525_firmware 1.4.3
  • dell g5_se_5505_firmware 1.13.0
  • dell inspiron_14_5410_2-in-1_firmware 2.15.2
  • dell inspiron_15_3511_firmware 1.18.2
  • dell inspiron_3195_2-in-1_firmware 1.6.0
  • dell inspiron_3275_firmware 1.9.2
  • dell inspiron_3475_firmware 1.9.2
  • dell inspiron_3505_firmware 1.9.0
  • dell inspiron_3515_firmware 1.9.0
  • dell inspiron_3525_firmware 1.5.0
  • dell inspiron_3585_firmware 1.10.0
  • dell inspiron_3595_firmware 1.5.0
  • dell inspiron_3785_firmware 1.10.0

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
last yr.

Exploit prediction

0.17% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

  • Dell CPG BIOS

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.