Details of VAR-202210-0247

ID

VAR-202210-0247

CVE

CVE-2022-41521

TITLE

TOTOLINK of nr1800x Out-of-bounds write vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2022-018560

DESCRIPTION

TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to contain an authenticated stack overflow via the sPort/ePort parameter in the setIpPortFilterRules function. TOTOLINK of nr1800x An out-of-bounds write vulnerability exists in firmware.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. TOTOLINK NR1800X is an excellent 5G NR indoor Wi-Fi and SIP CPE from TOTOLINK in China. Designed to provide fast and easy deployment of NR fixed data services for homes and offices. There is a buffer overflow vulnerability in TOTOLINK NR1800X V9.1.0u.6279_B20210910. The vulnerability is caused by the fact that the ePort parameter of the setIpPortFilterRules method lacks length verification for the input data. Attackers can exploit the vulnerability to cause code execution

Trust: 2.16

sources: NVD: CVE-2022-41521 // JVNDB: JVNDB-2022-018560 // CNVD: CNVD-2022-87614

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2022-87614

AFFECTED PRODUCTS

vendor:	totolink	model:	nr1800x	scope:	eq	version:	9.1.0u.6279_b20210910	Trust: 1.0
vendor:	totolink	model:	nr1800x	scope:	-	version:	-	Trust: 0.8
vendor:	totolink	model:	nr1800x	scope:	eq	version:	nr1800x firmware 9.1.0u.6279 b20210910	Trust: 0.8
vendor:	totolink	model:	nr1800x	scope:	eq	version:	-	Trust: 0.8
vendor:	totolink	model:	nr1800x v9.1.0u.6279 b20210910	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2022-87614 // JVNDB: JVNDB-2022-018560 // NVD: CVE-2022-41521

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2022-41521
value:	HIGH
Trust: 1.0
NVD:	CVE-2022-41521
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2022-87614
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-202210-205
value:	HIGH
Trust: 0.6

CNVD:	CNVD-2022-87614
severity:	HIGH
baseScore:	7.5
vectorString:	AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

nvd@nist.gov:	CVE-2022-41521
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	2.8
impactScore:	5.9
version:	3.1
Trust: 1.0
NVD:	CVE-2022-41521
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: CNVD: CNVD-2022-87614 // JVNDB: JVNDB-2022-018560 // CNNVD: CNNVD-202210-205 // NVD: CVE-2022-41521

PROBLEMTYPE DATA

problemtype:	CWE-787	Trust: 1.0
problemtype:	Out-of-bounds writing (CWE-787) [NVD evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2022-018560 // NVD: CVE-2022-41521

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202210-205

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202210-205

EXTERNAL IDS

db:	NVD	id:	CVE-2022-41521	Trust: 3.8
db:	JVNDB	id:	JVNDB-2022-018560	Trust: 0.8
db:	CNVD	id:	CNVD-2022-87614	Trust: 0.6
db:	CNNVD	id:	CNNVD-202210-205	Trust: 0.6

sources: CNVD: CNVD-2022-87614 // JVNDB: JVNDB-2022-018560 // CNNVD: CNNVD-202210-205 // NVD: CVE-2022-41521

REFERENCES

url:	https://brief-nymphea-813.notion.site/nr1800x-bof-setipportfilterrules-fd99f83f37ad40fab7d7b376942633d2	Trust: 3.0
url:	https://nvd.nist.gov/vuln/detail/cve-2022-41521	Trust: 0.8
url:	https://cxsecurity.com/cveshow/cve-2022-41521/	Trust: 0.6

sources: CNVD: CNVD-2022-87614 // JVNDB: JVNDB-2022-018560 // CNNVD: CNNVD-202210-205 // NVD: CVE-2022-41521

SOURCES

db:	CNVD	id:	CNVD-2022-87614
db:	JVNDB	id:	JVNDB-2022-018560
db:	CNNVD	id:	CNNVD-202210-205
db:	NVD	id:	CVE-2022-41521

LAST UPDATE DATE

2024-08-14T15:32:30.979000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2022-87614	date:	2022-12-14T00:00:00
db:	JVNDB	id:	JVNDB-2022-018560	date:	2023-10-20T08:24:00
db:	CNNVD	id:	CNNVD-202210-205	date:	2022-10-13T00:00:00
db:	NVD	id:	CVE-2022-41521	date:	2022-10-12T03:08:56.547

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2022-87614	date:	2022-12-15T00:00:00
db:	JVNDB	id:	JVNDB-2022-018560	date:	2023-10-20T00:00:00
db:	CNNVD	id:	CNNVD-202210-205	date:	2022-10-06T00:00:00
db:	NVD	id:	CVE-2022-41521	date:	2022-10-06T18:17:01.857