CVE-2021-25811

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 v3.0 7.5 HIGH
CVSS v2.0 7.8 HIGH

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

7.8^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 10.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://www.mercusys.com/en/	Vendor Advisory
https://www.mercurycom.com.cn/product-521-1.html	Product Vendor Advisory
https://github.com/pokerfacett/MY_REQUEST/blob/master/Mercury%20Router%20X18g%20v1.0.5%20Denial%20of%20Service.md	Broken Link

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:mercusys:mercury_x18g_firmware:1.0.5:*:*:*:*:*:*:*

cpe:2.3:h:mercusys:mercury_x18g:-:*:*:*:*:*:*:*

Information

Published : 2021-04-29 09:15

Updated : 2021-05-07 21:04

NVD link : CVE-2021-25811

Mitre link : CVE-2021-25811

JSON object : View

CWE

NVD-CWE-noinfo

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Products Affected

mercusys

mercury_x18g
mercury_x18g_firmware

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