CVE-2025-20728

Nov. 5, 2025, 5:14 p.m.

7.8
High

Description

In wlan STA driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00447115; Issue ID: MSV-4276.

Product(s) Impacted

Vendor Product Versions
Mediatek
  • Software Development Kit
  • Mt7902
  • Mt7920
  • Mt7921
  • Mt7922
  • Mt7925
  • Mt7927
  • 3.7
  • -
  • -
  • -
  • -
  • -
  • -

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-122
Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
CWE-787
Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a mediatek software_development_kit 3.7 / / / / / / /
h mediatek mt7902 - / / / / / / /
h mediatek mt7920 - / / / / / / /
h mediatek mt7921 - / / / / / / /
h mediatek mt7922 - / / / / / / /
h mediatek mt7925 - / / / / / / /
h mediatek mt7927 - / / / / / / /

CVSS Score

7.8 / 10

CVSS Data - 3.1

  • Attack Vector: LOCAL
  • Attack Complexity: LOW
  • Privileges Required: LOW
  • Scope: UNCHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: HIGH
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

    View Vector String

Timeline

Published: Nov. 4, 2025, 7:15 a.m.
Last Modified: Nov. 5, 2025, 5:14 p.m.

Status : Analyzed

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

security@mediatek.com

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.