Details of VAR-202210-0426

ID

VAR-202210-0426

CVE

CVE-2022-41527

TITLE

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

Trust: 0.8

sources: JVNDB: JVNDB-2022-018554

DESCRIPTION

TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to contain an authenticated stack overflow via the pppoeUser parameter in the setOpModeCfg 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 comes from the fact that the setOpModeCfg function in the file /cgi-bin/cstecgi.cgi does not verify the size of the pppoeUser parameter. Attackers can use the vulnerability to trigger stack overflow. Remote code execution

Trust: 2.16

sources: NVD: CVE-2022-41527 // JVNDB: JVNDB-2022-018554 // CNVD: CNVD-2022-87948

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2022-87948

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-2022-87948 // JVNDB: JVNDB-2022-018554 // NVD: CVE-2022-41527

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2022-41527
value:	HIGH
Trust: 1.0
NVD:	CVE-2022-41527
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2022-87948
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-202210-186
value:	HIGH
Trust: 0.6

CNVD:	CNVD-2022-87948
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-2022-41527
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-2022-41527
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-2022-87948 // JVNDB: JVNDB-2022-018554 // CNNVD: CNNVD-202210-186 // NVD: CVE-2022-41527

PROBLEMTYPE DATA

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

sources: JVNDB: JVNDB-2022-018554 // NVD: CVE-2022-41527

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202210-186

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202210-186

EXTERNAL IDS

db:	NVD	id:	CVE-2022-41527	Trust: 3.8
db:	JVNDB	id:	JVNDB-2022-018554	Trust: 0.8
db:	CNVD	id:	CNVD-2022-87948	Trust: 0.6
db:	CNNVD	id:	CNNVD-202210-186	Trust: 0.6

sources: CNVD: CNVD-2022-87948 // JVNDB: JVNDB-2022-018554 // CNNVD: CNNVD-202210-186 // NVD: CVE-2022-41527

REFERENCES

url:	https://brief-nymphea-813.notion.site/nr1800x-bof-setopmodecfg-2e286823203c405bbdec4305b0924a02	Trust: 3.0
url:	https://nvd.nist.gov/vuln/detail/cve-2022-41527	Trust: 0.8
url:	https://cxsecurity.com/cveshow/cve-2022-41527/	Trust: 0.6

sources: CNVD: CNVD-2022-87948 // JVNDB: JVNDB-2022-018554 // CNNVD: CNNVD-202210-186 // NVD: CVE-2022-41527

SOURCES

db:	CNVD	id:	CNVD-2022-87948
db:	JVNDB	id:	JVNDB-2022-018554
db:	CNNVD	id:	CNNVD-202210-186
db:	NVD	id:	CVE-2022-41527

LAST UPDATE DATE

2024-08-14T14:55:14.691000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2022-87948	date:	2022-12-15T00:00:00
db:	JVNDB	id:	JVNDB-2022-018554	date:	2023-10-20T08:23:00
db:	CNNVD	id:	CNNVD-202210-186	date:	2022-10-13T00:00:00
db:	NVD	id:	CVE-2022-41527	date:	2022-10-12T03:10:41.703

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2022-87948	date:	2022-12-15T00:00:00
db:	JVNDB	id:	JVNDB-2022-018554	date:	2023-10-20T00:00:00
db:	CNNVD	id:	CNNVD-202210-186	date:	2022-10-06T00:00:00
db:	NVD	id:	CVE-2022-41527	date:	2022-10-06T19:15:11.217