CVE-2025-20646 is a critical out-of-bounds write vulnerability in MediaTek WLAN AP firmware, affecting multiple chipsets including MT6890, MT7915, MT7916, MT7981, and MT7986, as well as their SDK. This flaw allows for remote escalation of privilege without user interaction or additional execution privileges. With a CVSS score of 9.8 (CRITICAL), the vulnerability is easily exploitable over the network with low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 7.6.7.2CPE matchmatch criteria | cpe:2.3:a:mediatek:software_development_kit:*:*:*:*:*:*:*:* |
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.