CVE-2025-20720 is an out-of-bounds write vulnerability in the WLAN AP driver of MediaTek and OpenWrt products, stemming from an incorrect bounds check. This critical flaw allows for remote (proximal/adjacent) escalation of privilege without requiring user interaction or additional execution privileges. With a CVSS score of 8.8 (HIGH), the vulnerability presents a significant risk due to its low attack complexity and potential for high impact on confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 7.6.7.2CPE matchmatch criteria | cpe:2.3:a:mediatek:software_development_kit:*:*:*:*:*:*:*:* | ||
19.07.0CPE matchmatch criteria | cpe:2.3:o:openwrt:openwrt:19.07.0:-:*:*:*:*:*:* | ||
21.02.0CPE matchmatch criteria | cpe:2.3:o:openwrt:openwrt:21.02.0:-:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.