CVE-2025-20686
BaseFortify
Publication date: 2025-07-08
Last updated on: 2025-07-09
Assigner: MediaTek, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mediatek | software_development_kit | to 7.6.7.2 (inc) |
| openwrt | openwrt | 19.07.0 |
| mediatek | mt6890 | * |
| mediatek | mt7915 | * |
| mediatek | mt7916 | * |
| mediatek | mt7981 | * |
| mediatek | mt7986 | * |
| openwrt | openwrt | 21.02.0 |
| mediatek | mt6890 | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-122 | A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is an out of bounds write in the wlan AP driver caused by an incorrect bounds check. It allows remote attackers who are nearby or adjacent to execute code without needing any additional privileges or user interaction.
How can this vulnerability impact me? :
The vulnerability can lead to remote code execution on affected devices, potentially allowing attackers to take control of the system or cause it to behave unexpectedly without requiring user interaction or elevated privileges.
What immediate steps should I take to mitigate this vulnerability?
Apply the patch identified as WCNCR00415570 provided by the vendor to fix the out of bounds write issue in the wlan AP driver. Since this vulnerability allows remote code execution without user interaction, updating the affected driver as soon as possible is critical.