Details of VAR-202104-1125

ID

VAR-202104-1125

CVE

CVE-2021-25811

TITLE

MERCUSYS Mercury X18G Security hole

Trust: 0.6

sources: CNNVD: CNNVD-202104-2137

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

Trust: 0.99

sources: NVD: CVE-2021-25811 // VULMON: CVE-2021-25811

AFFECTED PRODUCTS

vendor:

mercusys

model:

mercury x18g

scope:

version:

1.0.5

Trust: 1.0

sources: NVD: CVE-2021-25811

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-25811
value:	HIGH
Trust: 1.0
CNNVD:	CNNVD-202104-2137
value:	HIGH
Trust: 0.6
VULMON:	CVE-2021-25811
value:	HIGH
Trust: 0.1

nvd@nist.gov:	CVE-2021-25811
severity:	HIGH
baseScore:	7.8
vectorString:	AV:N/AC:L/AU:N/C:N/I:N/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
impactScore:	6.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.1

nvd@nist.gov:	CVE-2021-25811
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	3.6
version:	3.1
Trust: 1.0

sources: VULMON: CVE-2021-25811 // CNNVD: CNNVD-202104-2137 // NVD: CVE-2021-25811

PROBLEMTYPE DATA

problemtype:

NVD-CWE-noinfo

Trust: 1.0

sources: NVD: CVE-2021-25811

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202104-2137

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202104-2137

PATCH

title:

MERCUSYS Mercury X18G Security vulnerabilities

url:

http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=149802

Trust: 0.6

sources: CNNVD: CNNVD-202104-2137

EXTERNAL IDS

db:	NVD	id:	CVE-2021-25811	Trust: 1.7
db:	CNNVD	id:	CNNVD-202104-2137	Trust: 0.6
db:	VULMON	id:	CVE-2021-25811	Trust: 0.1

sources: VULMON: CVE-2021-25811 // CNNVD: CNNVD-202104-2137 // NVD: CVE-2021-25811

REFERENCES

url:	https://www.mercusys.com/en/	Trust: 1.7
url:	https://www.mercurycom.com.cn/product-521-1.html	Trust: 1.7
url:	https://github.com/pokerfacett/my_request/blob/master/mercury%20router%20x18g%20v1.0.5%20denial%20of%20service.md	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2021-25811	Trust: 0.6
url:	https://cwe.mitre.org/data/definitions/.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: VULMON: CVE-2021-25811 // CNNVD: CNNVD-202104-2137 // NVD: CVE-2021-25811

SOURCES

db:	VULMON	id:	CVE-2021-25811
db:	CNNVD	id:	CNNVD-202104-2137
db:	NVD	id:	CVE-2021-25811

LAST UPDATE DATE

2024-11-23T21:34:42.652000+00:00

SOURCES UPDATE DATE

db:	VULMON	id:	CVE-2021-25811	date:	2021-05-08T00:00:00
db:	CNNVD	id:	CNNVD-202104-2137	date:	2021-05-10T00:00:00
db:	NVD	id:	CVE-2021-25811	date:	2024-11-21T05:55:28.717

SOURCES RELEASE DATE

db:	VULMON	id:	CVE-2021-25811	date:	2021-04-29T00:00:00
db:	CNNVD	id:	CNNVD-202104-2137	date:	2021-04-29T00:00:00
db:	NVD	id:	CVE-2021-25811	date:	2021-04-29T16:15:09.847