CVE-2025-20731

Nov. 5, 2025, 5:13 p.m.

5.3
Medium

Description

In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege (when OceReducedNeighborReport is disabled). User interaction is not needed for exploitation. Patch ID: WCNCR00441511; Issue ID: MSV-4140.

Product(s) Impacted

Vendor Product Versions
Mediatek
  • Software Development Kit
  • Mt6890
  • Mt7615
  • Mt7622
  • Mt7663
  • Mt7915
  • Mt7916
  • Mt7981
  • Mt7986
  • *
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
Openwrt
  • Openwrt
  • 19.07.0, 21.02.0

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 / / / / / / / /
o openwrt openwrt 19.07.0 - / / / / / /
o openwrt openwrt 21.02.0 - / / / / / /
h mediatek mt6890 - / / / / / / /
h mediatek mt7615 - / / / / / / /
h mediatek mt7622 - / / / / / / /
h mediatek mt7663 - / / / / / / /
h mediatek mt7915 - / / / / / / /
h mediatek mt7916 - / / / / / / /
h mediatek mt7981 - / / / / / / /
h mediatek mt7986 - / / / / / / /

CVSS Score

5.3 / 10

CVSS Data - 3.1

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

    View Vector String

Timeline

Published: Nov. 4, 2025, 7:15 a.m.
Last Modified: Nov. 5, 2025, 5:13 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.