CVE-2025-20717
BaseFortify
Publication date: 2025-10-14
Last updated on: 2025-10-15
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) |
| mediatek | mt6890 | * |
| mediatek | mt7615 | * |
| mediatek | mt7622 | * |
| mediatek | mt7663 | * |
| mediatek | mt7915 | * |
| mediatek | mt7916 | * |
| mediatek | mt7981 | * |
| mediatek | mt7986 | * |
| openwrt | openwrt | 19.07.0 |
| openwrt | openwrt | 21.02.0 |
| mediatek | mt6890 | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-787 | The product writes data past the end, or before the beginning, of the intended buffer. |
| CWE-121 | A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). |
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 lead to local escalation of privilege if a malicious actor already has System privilege. This means an attacker with high-level access could exploit this flaw to gain even greater control over the system. No user interaction is needed for exploitation.
What immediate steps should I take to mitigate this vulnerability?
Apply the patch identified as WCNCR00419946 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.