Vulnerability 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.
CVSS Score
5.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mercusys | Mercury X18G Firmware | 1.0.5 |
| Mercusys | Mercury X18G | - |
Related Weaknesses (CWE)
References
- https://github.com/BATTZION/MY_REQUEST/blob/master/Mercury%20Router%20Upnp%20SerExploitThird Party Advisory
- https://www.mercurycom.com.cn/product-521-1.htmlProductVendor Advisory
- https://www.mercusys.com/en/Vendor Advisory
- https://github.com/BATTZION/MY_REQUEST/blob/master/Mercury%20Router%20Upnp%20SerExploitThird Party Advisory
- https://www.mercurycom.com.cn/product-521-1.htmlProductVendor Advisory
- https://www.mercusys.com/en/Vendor Advisory
FAQ
What is CVE-2021-23242?
CVE-2021-23242 is a vulnerability with a CVSS score of 5.3 (MEDIUM). MERCUSYS Mercury X18G 1.0.5 devices allow Directory Traversal via ../ to the UPnP server, as demonstrated by the /../../conf/template/uhttpd.json URI.
How severe is CVE-2021-23242?
CVE-2021-23242 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-23242?
Check the references section above for vendor advisories and patch information. Affected products include: Mercusys Mercury X18G Firmware, Mercusys Mercury X18G.