Vulnerability CVE-2021-23242
Published: 2021-01-07

Description:
MERCUSYS Mercury X18G 1.0.5 devices allow Directory Traversal via ../ to the UPnP server, as demonstrated by the /../../conf/template/uhttpd.json URI.

Type:

CWE-22

 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'))

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None

 References:
https://github.com/BATTZION/MY_REQUEST/blob/master/Mercury%20Router%20Upnp%20Server%20Directory%20Traversal.md
https://www.mercurycom.com.cn/product-521-1.html
https://www.mercusys.com/en/
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