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High severity8.8NVD Advisory· Published Jul 8, 2025· Updated Jun 17, 2026

CVE-2025-20686

CVE-2025-20686

Description

In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote (proximal/adjacent) code execution with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00415570; Issue ID: MSV-3404.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

5
  • MediaTek, Inc./MT6890, MT7915, MT7916, MT7981, MT7986v5
    Range: SDK release 7.6.7.2 and before / OpenWrt 19.07, 21.02 (MT6890)
  • Mediatek/Software Development Kit
    cpe:2.3:a:mediatek:software_development_kit:*:*:*:*:*:*:*:*
    Range: <=7.6.7.2
  • Openwrt/Openwrt2 versions
    cpe:2.3:o:openwrt:openwrt:19.07.0:-:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:openwrt:openwrt:19.07.0:-:*:*:*:*:*:*
    • cpe:2.3:o:openwrt:openwrt:21.02.0:-:*:*:*:*:*:*
  • Mediatek/wlan AP driverllm-fuzzy

Patches

Vulnerability mechanics

References

1

News mentions

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