CVE-2025-20685
BaseFortify
Publication date: 2025-07-08
Last updated on: 2025-07-09
Assigner: MediaTek, Inc.
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
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 an attacker who is physically close or adjacent to the device to execute code remotely without needing any additional privileges or user interaction. [1]
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 device or disrupt its normal operation without requiring user interaction or elevated privileges. [1]
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, update the affected WLAN AP driver to a patched version beyond SDK release 7.6.7.2 or upgrade OpenWrt to a version later than 21.02 for the affected chipsets (MT6890, MT7915, MT7916, MT7981, MT7986). Applying the patch identified as WCNCR00416226 is recommended to address the out-of-bounds write issue. [1]