Details of VAR-202209-2051

ID

VAR-202209-2051

CVE

CVE-2022-40942

TITLE

Shenzhen Tenda Technology Co.,Ltd. of tx3 Out-of-bounds write vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2022-018068

DESCRIPTION

Tenda TX3 US_TX3V1.0br_V16.03.13.11 is vulnerable to stack overflow via compare_parentcontrol_time. Shenzhen Tenda Technology Co.,Ltd. of tx3 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. No detailed vulnerability details are currently available

Trust: 2.16

sources: NVD: CVE-2022-40942 // JVNDB: JVNDB-2022-018068 // CNVD: CNVD-2022-66766

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2022-66766

AFFECTED PRODUCTS

vendor:	tenda	model:	tx3	scope:	eq	version:	16.03.13.11	Trust: 1.6
vendor:	tenda	model:	tx3	scope:	eq	version:	tx3 firmware 16.03.13.11	Trust: 0.8
vendor:	tenda	model:	tx3	scope:	eq	version:	-	Trust: 0.8
vendor:	tenda	model:	tx3	scope:	-	version:	-	Trust: 0.8

sources: CNVD: CNVD-2022-66766 // JVNDB: JVNDB-2022-018068 // NVD: CVE-2022-40942

CVSS

SEVERITY

CVSSV2

CVSSV3

NVD:	CVE-2022-40942
value:	CRITICAL
Trust: 1.8
CNVD:	CNVD-2022-66766
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-202209-2847
value:	CRITICAL
Trust: 0.6

CNVD:	CNVD-2022-66766
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:
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-2022-40942
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-2022-66766 // JVNDB: JVNDB-2022-018068 // NVD: CVE-2022-40942 // CNNVD: CNNVD-202209-2847

PROBLEMTYPE DATA

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

sources: JVNDB: JVNDB-2022-018068 // NVD: CVE-2022-40942

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202209-2847

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202209-2847

CONFIGURATIONS

sources: NVD: CVE-2022-40942

PATCH

title:	Patch for Tenda TX3 has unknown vulnerability	url:	https://www.cnvd.org.cn/patchinfo/show/354106	Trust: 0.6
title:	Tenda TX3 Buffer error vulnerability fix	url:	http://123.124.177.30/web/xxk/bdxqbyid.tag?id=209674	Trust: 0.6

sources: CNVD: CNVD-2022-66766 // CNNVD: CNNVD-202209-2847

EXTERNAL IDS

db:	NVD	id:	CVE-2022-40942	Trust: 3.8
db:	JVNDB	id:	JVNDB-2022-018068	Trust: 0.8
db:	CNVD	id:	CNVD-2022-66766	Trust: 0.6
db:	CNNVD	id:	CNNVD-202209-2847	Trust: 0.6

sources: CNVD: CNVD-2022-66766 // JVNDB: JVNDB-2022-018068 // NVD: CVE-2022-40942 // CNNVD: CNNVD-202209-2847

REFERENCES

url:	https://github.com/rumble0x0/vulnerability/blob/main/tenda/tx3/stack%20overflow%20via%20compare_parentcontrol_time.pdf	Trust: 2.4
url:	https://nvd.nist.gov/vuln/detail/cve-2022-40942	Trust: 1.4
url:	https://cxsecurity.com/cveshow/cve-2022-40942/	Trust: 0.6

sources: CNVD: CNVD-2022-66766 // JVNDB: JVNDB-2022-018068 // NVD: CVE-2022-40942 // CNNVD: CNNVD-202209-2847

SOURCES

db:	CNVD	id:	CNVD-2022-66766
db:	JVNDB	id:	JVNDB-2022-018068
db:	NVD	id:	CVE-2022-40942
db:	CNNVD	id:	CNNVD-202209-2847

LAST UPDATE DATE

2023-12-18T12:48:30.436000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2022-66766	date:	2022-09-30T00:00:00
db:	JVNDB	id:	JVNDB-2022-018068	date:	2023-10-18T08:10:00
db:	NVD	id:	CVE-2022-40942	date:	2022-09-30T01:58:14.837
db:	CNNVD	id:	CNNVD-202209-2847	date:	2022-10-08T00:00:00

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2022-66766	date:	2022-09-30T00:00:00
db:	JVNDB	id:	JVNDB-2022-018068	date:	2023-10-18T00:00:00
db:	NVD	id:	CVE-2022-40942	date:	2022-09-28T15:15:13.437
db:	CNNVD	id:	CNNVD-202209-2847	date:	2022-09-28T00:00:00