CVE-2025-20683 is a critical out-of-bounds write vulnerability in the WLAN AP driver affecting MediaTek and OpenWrt products. This flaw, stemming from an incorrect bounds check, allows for local escalation of privilege without user interaction, requiring only user execution privileges. With a CVSS score of 9.8 (CRITICAL), it presents a significant risk for complete compromise of confidentiality, integrity, and availability. While no public exploits, Metasploit modules, or community discussions are currently identified, the high severity warrants immediate patching as indicated by Patch ID WCNCR00416938.
| 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:N/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, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.