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: WCNCR00421149; Issue ID: MSV-3728.
Affected products
mediatek: software development kit; mediatek: mt6890; mediatek: mt7615; mediatek: mt7622; mediatek: mt7663; mediatek: mt7915; mediatek: mt7916; mediatek: mt7981; mediatek: mt7986; openwrt: openwrt
References1
- corp.mediatek.com/product-security-bulletin/October-2025 Vendor Advisory
Metrics
- CVSS 3.1
-
7.8
HIGH
Score source: CNA
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 4 · as of 9 November 2026
- CWE
- CWE-787
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.