CVE-2026-20493
Medium
Description
In wifi, there is a possible out of bounds write due to a missing bounds check. This could lead to local denial of service if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: BORA00154903; Issue ID: MSV-7575.
SeverityMedium
CVSS4.4
Exploit probability—
ProductMediatek Mt6890 Firmware
PublishedAug 3, 2026
First seenAug 3, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mediatek mt6890_firmware | No range specified | — |
| mediatek mt6988_firmware | No range specified | — |
| mediatek mt6990_firmware | No range specified | — |
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