CVE-2025-20731CWE-122CWE-787

CVE-2025-20731

Medium · published November 4, 2025

CVSS v3.1
5.3
EPSS
0%
Percentile
2.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00124 · 2.0th percentile
Weaknesses
CWE-122 · Heap-based Buffer Overflow; CWE-787 · Out-of-bounds Write
Published
2025-11-04T12:15Z
Affected products (3)
ProductVersionsFixed in
mediatek/software_development_kit≤ 7.6.7.2—
openwrt/openwrtall versions—
openwrt/openwrtall versions—
References (1)
https://corp.mediatek.com/product-security-bulletin/November-2025 · [email protected]
EPSS history
Timeline
  • 04 NOV 06:20Z
    In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check
    cvelistv5