Details of VAR-202210-0119

ID

VAR-202210-0119

CVE

CVE-2022-41526

TITLE

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

Trust: 0.8

sources: JVNDB: JVNDB-2022-018555

DESCRIPTION

TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to contain an authenticated stack overflow via the ip parameter in the setDiagnosisCfg 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 connections. An attacker can exploit this vulnerability by submitting specially crafted requests that could cause the application to crash or execute arbitrary code in the application's context

Trust: 2.16

sources: NVD: CVE-2022-41526 // JVNDB: JVNDB-2022-018555 // CNVD: CNVD-2025-21023

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-21023

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-2025-21023 // JVNDB: JVNDB-2022-018555 // NVD: CVE-2022-41526

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2022-41526
value:	HIGH
Trust: 1.0
NVD:	CVE-2022-41526
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2025-21023
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-202210-194
value:	HIGH
Trust: 0.6

CNVD:	CNVD-2025-21023
severity:	HIGH
baseScore:	9.0
vectorString:	AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	8.0
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

nvd@nist.gov:	CVE-2022-41526
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-2022-41526
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-2025-21023 // CNNVD: CNNVD-202210-194 // JVNDB: JVNDB-2022-018555 // NVD: CVE-2022-41526

PROBLEMTYPE DATA

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

sources: JVNDB: JVNDB-2022-018555 // NVD: CVE-2022-41526

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202210-194

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202210-194

EXTERNAL IDS

db:	NVD	id:	CVE-2022-41526	Trust: 3.8
db:	JVNDB	id:	JVNDB-2022-018555	Trust: 0.8
db:	CNVD	id:	CNVD-2025-21023	Trust: 0.6
db:	CNNVD	id:	CNNVD-202210-194	Trust: 0.6

sources: CNVD: CNVD-2025-21023 // CNNVD: CNNVD-202210-194 // JVNDB: JVNDB-2022-018555 // NVD: CVE-2022-41526

REFERENCES

url:	https://brief-nymphea-813.notion.site/nr1800x-bof-setdiagnosiscfg-fcbc55a98e4b4bfbb94db610e666e834	Trust: 3.0
url:	https://nvd.nist.gov/vuln/detail/cve-2022-41526	Trust: 0.8
url:	https://cxsecurity.com/cveshow/cve-2022-41526/	Trust: 0.6

sources: CNVD: CNVD-2025-21023 // CNNVD: CNNVD-202210-194 // JVNDB: JVNDB-2022-018555 // NVD: CVE-2022-41526

SOURCES

db:	CNVD	id:	CNVD-2025-21023
db:	CNNVD	id:	CNNVD-202210-194
db:	JVNDB	id:	JVNDB-2022-018555
db:	NVD	id:	CVE-2022-41526

LAST UPDATE DATE

2025-09-12T23:45:28.675000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2025-21023	date:	2025-09-11T00:00:00
db:	CNNVD	id:	CNNVD-202210-194	date:	2022-10-13T00:00:00
db:	JVNDB	id:	JVNDB-2022-018555	date:	2023-10-20T08:24:00
db:	NVD	id:	CVE-2022-41526	date:	2022-10-12T03:10:14.233

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2025-21023	date:	2025-09-11T00:00:00
db:	CNNVD	id:	CNNVD-202210-194	date:	2022-10-06T00:00:00
db:	JVNDB	id:	JVNDB-2022-018555	date:	2023-10-20T00:00:00
db:	NVD	id:	CVE-2022-41526	date:	2022-10-06T19:15:11.117