CVE-2025-20685 — Heap-based Buffer Overflow in Software Development KIT

CWE-122 — Heap-based Buffer Overflow3 documents3 sources
Severity
8.8HIGHNVD
EPSS
0.1%
top 67.81%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Mediatek Software Development KITOpenwrt
Timeline
PublishedJul 8

Description

In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote (proximal/adjacent) code execution with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00416226; Issue ID: MSV-3409.

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages2 packages

▶NVDopenwrt/openwrt19.07.0, 21.02.0+1

🔴Vulnerability Details

2
GHSA
GHSA-f4gr-6r2q-m388: In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check↗2025-07-08
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CVEList
CVE-2025-20685: In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check↗2025-07-08
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CVE-2025-20685 — Heap-based Buffer Overflow | cvebase