Details of VAR-202210-0175

ID

VAR-202210-0175

CVE

CVE-2022-41522

TITLE

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

Trust: 0.8

sources: JVNDB: JVNDB-2022-018559

DESCRIPTION

TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to contain an unauthenticated stack overflow via the "main" 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. The TOTOLINK NR1800X is a 5G NR indoor Wi-Fi and SIP CPE (broadband access equipment) launched by China's TOTOLINK Electronics. It is primarily designed for deploying NR fixed data services in homes and offices and supports 5G NR network connectivity. An attacker can exploit this vulnerability by submitting specially crafted requests, potentially causing the application to crash or executing arbitrary code in the application's context

Trust: 2.16

sources: NVD: CVE-2022-41522 // JVNDB: JVNDB-2022-018559 // CNVD: CNVD-2025-21020

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-21020

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-2025-21020 // JVNDB: JVNDB-2022-018559 // NVD: CVE-2022-41522

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2022-41522
value:	CRITICAL
Trust: 1.0
NVD:	CVE-2022-41522
value:	CRITICAL
Trust: 0.8
CNVD:	CNVD-2025-21020
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-202210-192
value:	CRITICAL
Trust: 0.6

CNVD:	CNVD-2025-21020
severity:	HIGH
baseScore:	10.0
vectorString:	AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

nvd@nist.gov:	CVE-2022-41522
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	5.9
version:	3.1
Trust: 1.0
NVD:	CVE-2022-41522
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: CNVD: CNVD-2025-21020 // CNNVD: CNNVD-202210-192 // JVNDB: JVNDB-2022-018559 // NVD: CVE-2022-41522

PROBLEMTYPE DATA

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

sources: JVNDB: JVNDB-2022-018559 // NVD: CVE-2022-41522

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202210-192

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202210-192

EXTERNAL IDS

db:	NVD	id:	CVE-2022-41522	Trust: 3.8
db:	JVNDB	id:	JVNDB-2022-018559	Trust: 0.8
db:	CNVD	id:	CNVD-2025-21020	Trust: 0.6
db:	CNNVD	id:	CNNVD-202210-192	Trust: 0.6

sources: CNVD: CNVD-2025-21020 // CNNVD: CNNVD-202210-192 // JVNDB: JVNDB-2022-018559 // NVD: CVE-2022-41522

REFERENCES

url:	https://brief-nymphea-813.notion.site/nr1800x-bof-main-pre-authentication-29ccdaa7af054674828f7b3cf38aae82	Trust: 3.0
url:	https://nvd.nist.gov/vuln/detail/cve-2022-41522	Trust: 0.8
url:	https://cxsecurity.com/cveshow/cve-2022-41522/	Trust: 0.6

sources: CNVD: CNVD-2025-21020 // CNNVD: CNNVD-202210-192 // JVNDB: JVNDB-2022-018559 // NVD: CVE-2022-41522

SOURCES

db:	CNVD	id:	CNVD-2025-21020
db:	CNNVD	id:	CNNVD-202210-192
db:	JVNDB	id:	JVNDB-2022-018559
db:	NVD	id:	CVE-2022-41522

LAST UPDATE DATE

2025-09-12T23:41:39.891000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2025-21020	date:	2025-09-11T00:00:00
db:	CNNVD	id:	CNNVD-202210-192	date:	2022-10-13T00:00:00
db:	JVNDB	id:	JVNDB-2022-018559	date:	2023-10-20T08:24:00
db:	NVD	id:	CVE-2022-41522	date:	2022-10-12T03:09:16.227

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2025-21020	date:	2025-09-11T00:00:00
db:	CNNVD	id:	CNNVD-202210-192	date:	2022-10-06T00:00:00
db:	JVNDB	id:	JVNDB-2022-018559	date:	2023-10-20T00:00:00
db:	NVD	id:	CVE-2022-41522	date:	2022-10-06T19:15:10.360