What’s Vulnerable › Vulnerabilities

CVE-2026-20452

• Severity: high (CVSS 8.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-01 · updated 2026-07-22
• Weakness: CWE-122

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.

Affected products

• Mediatek Mt6890 Firmware: all versions
• Mediatek Mt7615 Firmware: all versions
• Mediatek Mt7915 Firmware: all versions
• Mediatek Mt7916 Firmware: all versions
• Mediatek Mt7981 Firmware: all versions
• Mediatek Mt7986 Firmware: all versions
• Mediatek Mt7990 Firmware: all versions
• Mediatek Mt7992 Firmware: all versions
• Mediatek Mt7993 Firmware: all versions

References

• https://corp.mediatek.com/product-security-bulletin/June-2026

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