Vulnerability Monitor

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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.

Published

2021-04-29T16:15:09.847

Last Modified

2024-11-21T05:55:28.717

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

6.9

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	mercusys	mercury_x18g_firmware	1.0.5	Yes
Hardware	mercusys	mercury_x18g	-	No

References

https://github.com/pokerfacett/MY_REQUEST/blob/master/Mercury%20Router%20X18g%20v1.0.5%20Denial%20of%20Service.md Broken Link ([email protected])
https://www.mercurycom.com.cn/product-521-1.html Product, Vendor Advisory ([email protected])
https://www.mercusys.com/en/ Vendor Advisory ([email protected])
https://github.com/pokerfacett/MY_REQUEST/blob/master/Mercury%20Router%20X18g%20v1.0.5%20Denial%20of%20Service.md Broken Link (af854a3a-2127-422b-91ae-364da2661108)
https://www.mercurycom.com.cn/product-521-1.html Product, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mercusys.com/en/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)