CVE-2023-38316 is a critical vulnerability affecting OpenNDS Captive Portal versions prior to 10.1.2, allowing unauthenticated attackers to execute arbitrary OS commands. This high-severity flaw (CVSS 9.8) arises when the custom unescape callback is enabled, enabling command injection through HTTP GET request URLs. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion and media attention, including a mention in a BleepingComputer article regarding critical infrastructure routers. Organizations using affected OpenNDS versions should upgrade to 10.1.3 or later to mitigate this risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 10.1.2CPE matchmatch criteria | cpe:2.3:a:opennds:captive_portal:*:*:*:*:*:*:*:* |
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.