CVE-2023-28769 is a critical buffer overflow vulnerability in the libclinkc.so library of the zhttpd web server on Zyxel DX5401-B0 devices running firmware versions prior to V5.17(ABYO.1)C0. This flaw allows a remote, unauthenticated attacker to execute arbitrary OS commands or trigger a denial-of-service condition. With a CVSS score of 9.8 (Critical), the vulnerability is easily exploitable over the network with no user interaction. While not listed in CISA's KEV catalog, a Metasploit module exists for remote code execution, and the vulnerability has garnered significant community discussion, indicating high exploitability and interest.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.17\(abyo.1\)c0CPE matchmatch criteria | cpe:2.3:o:zyxel:dx5401-b0_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.
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.