CVE-2023-28771 is a critical vulnerability affecting Zyxel ZyWALL/USG, VPN, USG FLEX, and ATP series devices, stemming from improper error message handling that allows unauthenticated remote OS command execution. With a CVSS score of 9.8 (CRITICAL), this flaw is easily exploitable over the network without user interaction and can lead to complete compromise of confidentiality, integrity, and availability. This vulnerability is actively exploited in the wild, with public exploit code available (e.g., Metasploit), and has garnered significant community discussion and media attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.60, < 5.36CPE matchmatch criteria | cpe:2.3:o:zyxel:atp100_firmware:*:*:*:*:*:*:*:* | ||
>= 4.60, < 5.35CPE matchmatch criteria | cpe:2.3:o:zyxel:atp100w_firmware:*:*:*:*:*:*:*:* | ||
>= 4.60, < 5.36CPE matchmatch criteria | cpe:2.3:o:zyxel:atp200_firmware:*:*:*:*:*:*:*:* | ||
>= 4.60, < 5.36CPE matchmatch criteria | cpe:2.3:o:zyxel:atp500_firmware:*:*:*:*:*:*:*:* | ||
>= 4.60, < 5.36CPE matchmatch criteria | cpe:2.3:o:zyxel:atp700_firmware:*:*:*:*:*:*:*:* |
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.
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.