SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-20452

In wlan AP driver, there is a possible memory corruption due to a heap buffer overflow.

HIGH 8.0EPSS 0.43%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.43%). 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 memory corruption due to a heap buffer overflow. This could lead to remote (proximal/adjacent) code execution with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00480138; Issue ID: MSV-6295.

CVSS 3.1
8.0 HIGHCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.43% probability · 37th percentile
CISA KEV
Not listed
Weakness
CWE-122
Affected
mediatek/mt6890 firmware · mediatek/mt7615 firmware · mediatek/mt7915 firmware · mediatek/mt7916 firmware · mediatek/mt7981 firmware · mediatek/mt7986 firmware · mediatek/mt7990 firmware · mediatek/mt7992 firmware · mediatek/mt7993 firmware
Source
security@mediatek.com

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