CVE-2026-20408
8.8
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 2.8 / Impact: 5.9
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
Description
In wlan, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote (proximal/adjacent) escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00461651; Issue ID: MSV-4758.
Affected (4)
Products: Mediatek: Software Development Kit · Openwrt: Openwrt
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| Up to 7.6.7.2 | |
| Version 19.07.0 |
| Running on/with | Platform Versions |
|---|---|
Mediatek Mt6890 | All versions |
Mediatek Mt7615 | All versions |
Mediatek Mt7915 | All versions |
Mediatek Mt7916 | All versions |
Mediatek Mt7981 | All versions |
Mediatek Mt7986 | All versions |
Related CWEs
CWE-122
Heap-based Buffer Overflow
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
Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.
References (1)
Source: security@mediatek.com
Vendor Advisory
Timeline
No history available yet.