CVE-2025-20729
BaseFortify
Publication date: 2025-11-04
Last updated on: 2025-11-05
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 |
| openwrt | openwrt | 21.02.0 |
| mediatek | mt6890 | * |
| mediatek | mt7615 | * |
| mediatek | mt7622 | * |
| mediatek | mt7663 | * |
| mediatek | mt7915 | * |
| mediatek | mt7916 | * |
| mediatek | mt7981 | * |
| mediatek | mt7986 | * |
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(). |
| CWE-787 | The product writes data past the end, or before the beginning, of the intended buffer. |
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 means that the software writes data outside the intended memory area, which can lead to unexpected behavior or security issues.
How can this vulnerability impact me? :
The vulnerability could allow a local escalation of privilege if a malicious actor already has System privilege. This means an attacker with some level of access could gain higher privileges on the system without needing user interaction.
What immediate steps should I take to mitigate this vulnerability?
Apply the patch identified as WCNCR00441512 provided by the vendor to fix the out of bounds write issue in the wlan AP driver. Since exploitation requires local access with System privilege, ensure that only trusted users have such privileges and monitor for any unusual local activity until the patch is applied.