CVE-2023-6764 is a high-severity format string vulnerability affecting Zyxel ATP, USG FLEX, USG FLEX 50(W), and USG20(W)-VPN series firmware versions. An unauthenticated remote attacker could achieve unauthorized remote code execution by sending specially crafted payloads. However, successful exploitation requires detailed knowledge of the target device's memory layout and configuration, making the attack highly complex. While no public exploit code or active exploitation has been reported, the vulnerability has garnered significant community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.32, < 5.37CPE matchmatch criteria | cpe:2.3:o:zyxel:atp100_firmware:*:*:*:*:*:*:*:* | ||
5.37CPE matchmatch criteria | cpe:2.3:o:zyxel:atp100_firmware:5.37:-:*:*:*:*:*:* | ||
5.37CPE matchmatch criteria | cpe:2.3:o:zyxel:atp100_firmware:5.37:patch1:*:*:*:*:*:* | ||
>= 4.32, < 5.37CPE matchmatch criteria | cpe:2.3:o:zyxel:atp100w_firmware:*:*:*:*:*:*:*:* | ||
5.37CPE matchmatch criteria | cpe:2.3:o:zyxel:atp100w_firmware:5.37:-:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/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.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.