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TI-2025-21365 Aliases CVE-2025-29989GHSA-5537-v9p2-j3p7

Dell Client Platform BIOS contains a Security Version Number Mutable to Older Versions…

Priority LOW 19CWE-1328Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Dell Client Platform BIOS contains a Security Version Number Mutable to Older Versions vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to BIOS upgrade denial.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00142 3rd percentileScored 2026-11-07
Fix Fixed Dell Client Platform BIOS (Dell): 2.42.0, 2.46.0, 1.18.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
DellDell Client Platform BIOSN/A to before 2.42.0; N/A to before 2.46.0; N/A to before 1.18.02.42.0, 2.46.0, 1.18.0Patch availableCNA
  • Dell Client Platform BIOS VendorDell Affected N/A to before 2.42.0; N/A to before 2.46.0; N/A to before 1.18.0 Fixed in 2.42.0, 2.46.0, 1.18.0 Patch available CNA

CPE configurations NVD · 8

CPEVersionsRoleVendor
cpe:2.3:o:dell:precision_5820_tower_firmware:*:*:*:*:*:*:*:*before 2.42.0VulnerableDell
cpe:2.3:h:dell:precision_5820_tower:-:*:*:*:*:*:*:*not specified by NVDRunning onDell
cpe:2.3:o:dell:precision_7820_tower_firmware:*:*:*:*:*:*:*:*before 2.46.0VulnerableDell
cpe:2.3:h:dell:precision_7820_tower:-:*:*:*:*:*:*:*not specified by NVDRunning onDell
cpe:2.3:o:dell:precision_7920_tower_firmware:*:*:*:*:*:*:*:*before 2.46.0VulnerableDell
cpe:2.3:h:dell:precision_7920_tower:-:*:*:*:*:*:*:*not specified by NVDRunning onDell
cpe:2.3:o:dell:precision_7865_tower_firmware:*:*:*:*:*:*:*:*before 1.18.0VulnerableDell
cpe:2.3:h:dell:precision_7865_tower:-:*:*:*:*:*:*:*not specified by NVDRunning onDell
  • cpe:2.3:o:dell:precision_5820_tower_firmware:*:*:*:*:*:*:*:* Versions before 2.42.0 Vulnerable ·Dell
  • cpe:2.3:h:dell:precision_5820_tower:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell
  • cpe:2.3:o:dell:precision_7820_tower_firmware:*:*:*:*:*:*:*:* Versions before 2.46.0 Vulnerable ·Dell
  • cpe:2.3:h:dell:precision_7820_tower:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell
  • cpe:2.3:o:dell:precision_7920_tower_firmware:*:*:*:*:*:*:*:* Versions before 2.46.0 Vulnerable ·Dell
  • cpe:2.3:h:dell:precision_7920_tower:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell
  • cpe:2.3:o:dell:precision_7865_tower_firmware:*:*:*:*:*:*:*:* Versions before 1.18.0 Vulnerable ·Dell
  • cpe:2.3:h:dell:precision_7865_tower:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell

Remediation

  • Fix · CNA Dell Client Platform BIOS (Dell) Fixed in 2.42.0, 2.46.0, 1.18.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-29989
  2. 2026-10-03 Alias added: GHSA-5537-v9p2-j3p7

References

Advisory 1

  • TI-2024-35208 Weak authentication in Dell Client Platform BIOS CVSS 3.1HIGH 8.2
  • TI-2022-14131 Improper input validation in Dell CPG BIOS CVSS 3.1HIGH 8.2
  • TI-2022-14130 Improper input validation in Dell CPG BIOS CVSS 3.1HIGH 8.2
  • TI-2022-10105 Dell BIOS versions contain an Insecure Automated Optimization vulnerability. CVSS 3.1HIGH 7.9
  • TI-2022-14135 Stack-based buffer overflow in Dell CPG BIOS CVSS 3.1HIGH 7.8
  • TI-2022-14129 Improper input validation in Dell CPG BIOS CVSS 3.1HIGH 7.8
See all 49 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences