CVE-2025-20748
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-787 | The product writes data past the end, or before the beginning, of the intended buffer. |
| CWE-120 | The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output 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 can be exploited locally by someone who already has System privilege, potentially allowing them to escalate their privileges further. No user interaction is required to exploit this issue.
How can this vulnerability impact me? :
If exploited, this vulnerability could allow a malicious actor with System privilege to escalate their privileges further on the affected system, potentially leading to greater control or damage.
What immediate steps should I take to mitigate this vulnerability?
Apply the patch identified as WCNCR00432679 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.