CVE-2026-20408
BaseFortify
Publication date: 2026-02-02
Last updated on: 2026-02-04
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 |
| openwrt | openwrt | 23.05.0 |
| mediatek | mt6890 | * |
| mediatek | mt7615 | * |
| 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 a heap buffer overflow in the wlan component that causes an out of bounds write. It can be exploited remotely by someone nearby without needing user interaction or additional execution privileges, potentially allowing them to escalate their privileges.
How can this vulnerability impact me? :
The vulnerability can allow an attacker in close proximity to remotely escalate their privileges on the affected system without needing user interaction or extra execution privileges, potentially compromising system security.
What immediate steps should I take to mitigate this vulnerability?
Apply the patch identified as WCNCR00461651 provided by the vendor to fix the heap buffer overflow vulnerability.