SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2025-20717

This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege.

HIGH 7.8EPSS 0.13%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.13%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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. User interaction is not needed for exploitation. Patch ID: WCNCR00419946; Issue ID: MSV-3582.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.13% probability · 3th percentile
CISA KEV
Not listed
Weakness
CWE-121, CWE-787
Affected
mediatek/software development kit · openwrt/openwrt
Source
security@mediatek.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.