CVE-2021-23242 describes a directory traversal vulnerability in MERCUSYS Mercury X18G 1.0.5 devices, specifically within its UPnP server. An unauthenticated attacker can exploit this by sending a crafted URI containing "../" sequences, potentially allowing access to sensitive files like /conf/template/uhttpd.json. Rated as Medium severity (CVSS 5.3), this vulnerability requires no user interaction and has a low impact on confidentiality, with no impact on integrity or availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.0.5CPE matchmatch criteria | cpe:2.3:o:mercusys:mercury_x18g_firmware:1.0.5:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.