Out of Bounds Write Vulnerability in MediaTek WLAN AP Driver
CVE-2025-20719

Currently unrated

Key Information:

Vendor: MediaTek
Status: Mt6890, Mt7603, Mt7615, Mt7622, Mt7915, Mt7916, Mt7981, Mt7986
Vendor: CVE Published:; 14 October 2025

What is CVE-2025-20719?

An out of bounds write vulnerability exists in the MediaTek WLAN AP driver due to improper bounds checking. This issue can potentially allow an adjacent attacker to escalate privileges without requiring additional execution permissions or user interaction, making it a significant risk for affected systems.

Affected Version(s)

MT6890, MT7603, MT7615, MT7622, MT7915, MT7916, MT7981, MT7986 SDK release 7.6.7.2 and before / OpenWrt 19.07, 21.02 (MT6890)

References

https://corp.mediatek.com/product-security-bulletin/Octob...

Download the Critical Vulnerability Management Cheat Sheet

Timeline

Vulnerability published
Oct 14, 2025
Vulnerability Reserved
Nov 1, 2024

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