CVE-2026-20452

CVSS 8 HIGHEPSS 0.4%CWE-122

Vexday Risk Score

41Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 8EPSS 0.4%KEV nãoPoC públicaPatch —

Lifecycle

Jun 01, 2026Published on NVD

Jun 06, 2026Public PoC

Recommendation: Plan a near-term fix — a public PoC already exists.

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/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

MediaTek, Inc. · MediaTek chipset

public PoCs found — 1

githubgithub.com/Hunt-Benito/mediatek-wlan-heap-overflow-cve-2026-20452-filogic-router-rce★ 0

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References

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