Details of VAR-202211-1628

ID

VAR-202211-1628

CVE

CVE-2022-44254

TITLE

TOTOLINK of lr350 Out-of-bounds write vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2022-021446

DESCRIPTION

TOTOLINK LR350 V9.3.5u.6369_B20220309 contains a post-authentication buffer overflow via parameter text in the setSmsCfg function. TOTOLINK of lr350 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 LR350 is a 4G LTE router released by China's TOTOLINK Electronics. It converts 4G signals into wired signals and is suitable for home and office use. An attacker could exploit this vulnerability to cause remote code execution

Trust: 2.16

sources: NVD: CVE-2022-44254 // JVNDB: JVNDB-2022-021446 // CNVD: CNVD-2025-21012

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-21012

AFFECTED PRODUCTS

vendor:	totolink	model:	lr350	scope:	eq	version:	9.3.5u.6369_b20220309	Trust: 1.0
vendor:	totolink	model:	lr350	scope:	-	version:	-	Trust: 0.8
vendor:	totolink	model:	lr350	scope:	eq	version:	-	Trust: 0.8
vendor:	totolink	model:	lr350	scope:	eq	version:	lr350 firmware 9.3.5u.6369 b20220309	Trust: 0.8
vendor:	totolink	model:	lr350 v9.3.5u.6369 b20220309	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2025-21012 // JVNDB: JVNDB-2022-021446 // NVD: CVE-2022-44254

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2022-44254
value:	HIGH
Trust: 1.0
134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2022-44254
value:	HIGH
Trust: 1.0
NVD:	CVE-2022-44254
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2025-21012
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-202211-3376
value:	HIGH
Trust: 0.6

CNVD:	CNVD-2025-21012
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-2022-44254
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: 2.0
NVD:	CVE-2022-44254
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-2025-21012 // CNNVD: CNNVD-202211-3376 // JVNDB: JVNDB-2022-021446 // NVD: CVE-2022-44254 // NVD: CVE-2022-44254

PROBLEMTYPE DATA

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

sources: JVNDB: JVNDB-2022-021446 // NVD: CVE-2022-44254

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202211-3376

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202211-3376

EXTERNAL IDS

db:	NVD	id:	CVE-2022-44254	Trust: 3.8
db:	JVNDB	id:	JVNDB-2022-021446	Trust: 0.8
db:	CNVD	id:	CNVD-2025-21012	Trust: 0.6
db:	CNNVD	id:	CNNVD-202211-3376	Trust: 0.6

sources: CNVD: CNVD-2025-21012 // CNNVD: CNNVD-202211-3376 // JVNDB: JVNDB-2022-021446 // NVD: CVE-2022-44254

REFERENCES

url:	https://brief-nymphea-813.notion.site/lr350-bof-setsmscfg-fd30228720dc4119911ed0b31c7c26c7	Trust: 2.4
url:	https://nvd.nist.gov/vuln/detail/cve-2022-44254	Trust: 1.4
url:	https://cxsecurity.com/cveshow/cve-2022-44254/	Trust: 0.6

sources: CNVD: CNVD-2025-21012 // CNNVD: CNNVD-202211-3376 // JVNDB: JVNDB-2022-021446 // NVD: CVE-2022-44254

SOURCES

db:	CNVD	id:	CNVD-2025-21012
db:	CNNVD	id:	CNNVD-202211-3376
db:	JVNDB	id:	JVNDB-2022-021446
db:	NVD	id:	CVE-2022-44254

LAST UPDATE DATE

2025-09-12T23:46:21.368000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2025-21012	date:	2025-09-11T00:00:00
db:	CNNVD	id:	CNNVD-202211-3376	date:	2022-11-28T00:00:00
db:	JVNDB	id:	JVNDB-2022-021446	date:	2023-11-10T08:16:00
db:	NVD	id:	CVE-2022-44254	date:	2025-04-25T20:15:33.183

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2025-21012	date:	2025-09-10T00:00:00
db:	CNNVD	id:	CNNVD-202211-3376	date:	2022-11-23T00:00:00
db:	JVNDB	id:	JVNDB-2022-021446	date:	2023-11-10T00:00:00
db:	NVD	id:	CVE-2022-44254	date:	2022-11-23T16:15:10.720