Cyber Resilience

CVE-2025-29988

Memory Safety in Dell Latitude 3140 2In1 Firmware ≤ 1.23.0

Published
09 April 2025
Modified
12 January 2026
Patch / advisory
CVSS Score v3.1 6.9
Click a component to see what it means
Raw vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:H
EPSS Score 0.0017 7th percentile
Risk Priority 43 floored blend · peak EPSS

Summary

CVE-2025-29988 is a medium-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Dell Latitude 3140 2In1 Firmware. Its CVSS base score is 6.9 (Medium).

Operationally, ranked at the 7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified map to SI-16 (Memory Protection) and SI-2 (Flaw Remediation) — see the control section below for these in your framework.

EU & UK References

Vulnerability Data

Dell Client Platform BIOS contains a Stack-based Buffer Overflow Vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to arbitrary code execution.

CWE(s)

Related Threats

CVEs Like This One

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CVE-2023-25537Same vendor: Dell
CVE-2025-45375Same vendor: Dell
CVE-2025-43910Same vendor: Dell
CVE-2020-37119Shared CWE-121, CWE-787
CVE-2024-47131Shared CWE-121, CWE-787

Affected Assets

dell
latitude 3140 2in1 firmware
≤ 1.23.0
dell
latitude 3320 firmware
≤ 1.35.0
dell
latitude 3330 firmware
≤ 1.28.0
dell
latitude 3340 firmware
≤ 1.21.0
dell
latitude 3410 firmware
≤ 1.33.0
dell
latitude 3420 firmware
≤ 1.40.0
dell
latitude 3430 firmware
≤ 1.26.0
dell
latitude 3440 firmware
≤ 1.21.0
dell
latitude 3450 firmware
≤ 1.12.0
dell
latitude 3510 firmware
≤ 1.33.0
+251 more product configuration(s) — see NVD for full list

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)
Detect
Catch it (NIST detect / respond)

Harden
Shrink the surface (DISA STIG)
  • 2 hardening rules · 2 OS baselines
Validate
Prove the fix (OWASP ASVS)

Mitigating Controls (NIST 800-53 r5) AI

prevent

Directly implements memory protections (e.g., ASLR, stack canaries, DEP) that block exploitation of the stack-based buffer overflow (CWE-121/CWE-787) in BIOS.

prevent

Limits the privileges available to a local attacker, reducing the ability to reach or successfully exploit the BIOS buffer overflow for arbitrary code execution.

prevent

Requires timely patching of the identified BIOS stack overflow vulnerability before an attacker can exploit it on Dell client platforms.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
prevents

Secure-development practices directly prevent introduction of stack buffer overflows.

ID.RA-01 partial match
prevents

Vulnerability scanning can discover stack buffer overflows but does not prevent their introduction.

PR.PS-02 partial match
prevents

Patching eliminates known instances of the weakness after discovery.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

detects

Security testing (fuzzing, static analysis) detects stack overflows before release.

prevents

Secure SDLC mandates buffer-safety practices that directly prevent stack overflows.

prevents

Application security requirements can specify buffer-size and input-validation rules.

prevents

Secure architecture principles include memory-safety and least-privilege stack usage.

prevents

Secure coding standards explicitly forbid unsafe buffer handling that causes CWE-121.

prevents

Change management can enforce review gates that catch unsafe memory operations before deployment.

References