Vulnerability Description
MERCUSYS Mercury X18G 1.0.5 devices allow Denial of service via a crafted value to the POST listen_http_lan parameter. Upon subsequent device restarts after this vulnerability is exploted the device will not be able to access the webserver unless the listen_http_lan parameter to uhttpd.json is manually fixed.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mercusys | Mercury X18G Firmware | 1.0.5 |
| Mercusys | Mercury X18G | - |
References
- https://github.com/pokerfacett/MY_REQUEST/blob/master/Mercury%20Router%20X18g%20Broken Link
- https://www.mercurycom.com.cn/product-521-1.htmlProductVendor Advisory
- https://www.mercusys.com/en/Vendor Advisory
- https://github.com/pokerfacett/MY_REQUEST/blob/master/Mercury%20Router%20X18g%20Broken Link
- https://www.mercurycom.com.cn/product-521-1.htmlProductVendor Advisory
- https://www.mercusys.com/en/Vendor Advisory
FAQ
What is CVE-2021-25811?
CVE-2021-25811 is a vulnerability with a CVSS score of 7.5 (HIGH). MERCUSYS Mercury X18G 1.0.5 devices allow Denial of service via a crafted value to the POST listen_http_lan parameter. Upon subsequent device restarts after this vulnerability is exploted the device w...
How severe is CVE-2021-25811?
CVE-2021-25811 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-25811?
Check the references section above for vendor advisories and patch information. Affected products include: Mercusys Mercury X18G Firmware, Mercusys Mercury X18G.