What is the CVSS score of CVE-2025-20740?

CVE-2025-20740 has a CVSS 3.1 base score of 4.7 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.0%.

Which versions of Software Development Kit are affected by CVE-2025-20740?

CVE-2025-20740 presents moderate security risk rated CVSS 4.7. Exploitation could compromise the security of affected deployments.

How to fix or mitigate CVE-2025-20740?

During next maintenance window: Identify affected systems and apply vendor patches when convenient. Monitor vendor channels for patch availability.

Software Development Kit CVE-2025-20740

MEDIUM

Time-of-check Time-of-use (TOCTOU) Race Condition (CWE-367)

2025-11-04 security@mediatek.com

Buffer Overflow Information Disclosure Software Development Kit

4.7

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.7 MEDIUM

AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:20 vuln.today

CVE Published

Nov 04, 2025 - 07:15 nvd

MEDIUM 4.7

DescriptionCVE.org

In wlan STA driver, there is a possible out of bounds read due to a race condition. This could lead to local information disclosure with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00435337; Issue ID: MSV-4036.

AnalysisAI

In wlan STA driver, there is a possible out of bounds read due to a race condition. Rated medium severity (CVSS 4.7). No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-367. In wlan STA driver, there is a possible out of bounds read due to a race condition. This could lead to local information disclosure with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00435337; Issue ID: MSV-4036. Affected products include: Mediatek Software Development Kit.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.