CVE-2021-4030 is a critical Cross-Site Request Forgery (CSRF) vulnerability affecting Zyxel ARMOR Z1/Z2 firmware, specifically models NBG6816 and NBG6817. This flaw allows an attacker to execute arbitrary commands on the device if a local user is tricked into visiting a malicious website. With a CVSS score of 8.8 (HIGH), the vulnerability has a low attack complexity and high impact on confidentiality, integrity, and availability, requiring user interaction for exploitation. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.00\(aawb.10\)c0CPE matchmatch criteria | cpe:2.3:o:zyxel:nbg6816_firmware:1.00\(aawb.10\)c0:*:*:*:*:*:*:* | ||
< 1.00\(abcs.11\)c0CPE matchmatch criteria | cpe:2.3:o:zyxel:nbg6817_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.
Remediation records are not available for this CVE.