CVE-2026-20452
High
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.
SeverityHigh
CVSS8.0
Exploit probability—
ProductMediatek Mt6890 Firmware
PublishedJun 1, 2026
First seenJun 1, 2026
Weakness typeCWE-122CWE-122
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 mt7615_firmware | No range specified | — |
| mediatek mt7915_firmware | No range specified | — |
| mediatek mt7916_firmware | No range specified | — |
| mediatek mt7981_firmware | No range specified | — |
| mediatek mt7986_firmware | No range specified | — |
| mediatek mt7990_firmware | No range specified | — |
| mediatek mt7992_firmware | No range specified | — |
| mediatek mt7993_firmware | No range specified | — |
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