Vulnerability Report

CVE-2025-20742

Title: Out of bounds write in wlan AP driver

Memory Corruption

Proof Of Concept

PoC Available for CVE-2025-20742

CWE Category CWE-787

Published Date Nov 04, 2025

Modified Date Nov 05, 2025

Exploit Status Available

Score 8.0 CVSS v3.1

Exploit Probability (EPSS)

0.27%

Vulnerability Summary

CVE-2025-20742: In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote (proximal/adjacent) escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00432680; Issue ID: MSV-3949.

Impacted Vendors

splunk 1

mediatek 9

Reference Links

https://corp.mediatek.com/product-security-bulletin/November-2025

CVSS v3.1

Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0

Severity HIGH

8.0

Attack Vector

ADJACENT_NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2025-20742 Exploits & PoCs (Proof Of Concept)

Github https://github.com/mellow-hype/mediarekt-2025/blob/main/cve-2025-20742.c

View Code

November 05, 2025 MODIFIED

Vulnerability data or affected products updated.

November 05, 2025 MODIFIED

Vulnerability data updated via NVD.

November 04, 2025 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector ADJACENT_NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.