Details of VAR-202108-1044

ID

VAR-202108-1044

CVE

CVE-2021-28845

TITLE

plural TRENDnet In the product NULL Pointer dereference vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2021-009516

DESCRIPTION

Null Pointer Dereference vulnerability exists in TRENDnet TEW-755AP 1.11B03, TEW-755AP2KAC 1.11B03, TEW-821DAP2KAC 1.11B03, and TEW-825DAP 1.11B03, which could let a remote malicious user cause a denial of service by sending the POST request to apply_cgi via the lang action without a language key. plural TRENDnet The product has NULL A pointer dereference vulnerability exists.Denial of service (DoS) It may be put into a state. TRENDnet TEW-755AP, etc. are all routers of Trendnet

Trust: 2.25

sources: NVD: CVE-2021-28845 // JVNDB: JVNDB-2021-009516 // CNVD: CNVD-2021-68181 // VULMON: CVE-2021-28845

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2021-68181

AFFECTED PRODUCTS

vendor:	trendnet	model:	tew-825dap	scope:	eq	version:	1.11b03	Trust: 1.0
vendor:	trendnet	model:	tew-821dap2kac	scope:	eq	version:	1.11b03	Trust: 1.0
vendor:	trendnet	model:	tew-755ap2kac	scope:	eq	version:	1.11b03	Trust: 1.0
vendor:	trendnet	model:	tew-755ap	scope:	eq	version:	1.11b03	Trust: 1.0
vendor:	trendnet	model:	tew-755ap	scope:	-	version:	-	Trust: 0.8
vendor:	trendnet	model:	tew-821dap2kac	scope:	-	version:	-	Trust: 0.8
vendor:	trendnet	model:	tew-755ap2kac	scope:	-	version:	-	Trust: 0.8
vendor:	trendnet	model:	tew-825dap	scope:	-	version:	-	Trust: 0.8
vendor:	trendnet	model:	tew-755ap 1.11b03 1.11b03	scope:	-	version:	-	Trust: 0.6
vendor:	trendnet	model:	tew-755ap2kac 1.11b03	scope:	-	version:	-	Trust: 0.6
vendor:	trendnet	model:	tew-821dap2kac 1.11b03	scope:	-	version:	-	Trust: 0.6
vendor:	trendnet	model:	tew-825dap 1.11b03	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2021-68181 // JVNDB: JVNDB-2021-009516 // NVD: CVE-2021-28845

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-28845
value:	HIGH
Trust: 1.0
NVD:	CVE-2021-28845
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2021-68181
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-202108-1021
value:	HIGH
Trust: 0.6
VULMON:	CVE-2021-28845
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2021-28845
severity:	MEDIUM
baseScore:	5.0
vectorString:	AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.9
CNVD:	CNVD-2021-68181
severity:	MEDIUM
baseScore:	5.0
vectorString:	AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

nvd@nist.gov:	CVE-2021-28845
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	3.6
version:	3.1
Trust: 1.0
NVD:	CVE-2021-28845
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: CNVD: CNVD-2021-68181 // VULMON: CVE-2021-28845 // JVNDB: JVNDB-2021-009516 // CNNVD: CNNVD-202108-1021 // NVD: CVE-2021-28845

PROBLEMTYPE DATA

problemtype:	CWE-476	Trust: 1.0
problemtype:	NULL Pointer dereference (CWE-476) [NVD Evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2021-009516 // NVD: CVE-2021-28845

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202108-1021

TYPE

code problem

Trust: 0.6

sources: CNNVD: CNNVD-202108-1021

PATCH

title:

SUPPORT TICKET #243638

url:

https://github.com/zyw-200/EQUAFL/blob/main/TRENDnet%20ticket.pdf

Trust: 0.8

sources: JVNDB: JVNDB-2021-009516

EXTERNAL IDS

db:	NVD	id:	CVE-2021-28845	Trust: 3.9
db:	JVNDB	id:	JVNDB-2021-009516	Trust: 0.8
db:	CNVD	id:	CNVD-2021-68181	Trust: 0.6
db:	CNNVD	id:	CNNVD-202108-1021	Trust: 0.6
db:	VULMON	id:	CVE-2021-28845	Trust: 0.1

sources: CNVD: CNVD-2021-68181 // VULMON: CVE-2021-28845 // JVNDB: JVNDB-2021-009516 // CNNVD: CNNVD-202108-1021 // NVD: CVE-2021-28845

REFERENCES

url:	https://github.com/zyw-200/equafl/blob/main/trendnet%20ticket.pdf	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2021-28845	Trust: 1.4
url:	https://cwe.mitre.org/data/definitions/476.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: CNVD: CNVD-2021-68181 // VULMON: CVE-2021-28845 // JVNDB: JVNDB-2021-009516 // CNNVD: CNNVD-202108-1021 // NVD: CVE-2021-28845

SOURCES

db:	CNVD	id:	CNVD-2021-68181
db:	VULMON	id:	CVE-2021-28845
db:	JVNDB	id:	JVNDB-2021-009516
db:	CNNVD	id:	CNNVD-202108-1021
db:	NVD	id:	CVE-2021-28845

LAST UPDATE DATE

2024-08-14T14:18:24.016000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2021-68181	date:	2021-09-05T00:00:00
db:	VULMON	id:	CVE-2021-28845	date:	2021-08-13T00:00:00
db:	JVNDB	id:	JVNDB-2021-009516	date:	2022-05-02T08:47:00
db:	CNNVD	id:	CNNVD-202108-1021	date:	2021-08-17T00:00:00
db:	NVD	id:	CVE-2021-28845	date:	2021-09-13T10:40:39.817

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2021-68181	date:	2021-08-10T00:00:00
db:	VULMON	id:	CVE-2021-28845	date:	2021-08-10T00:00:00
db:	JVNDB	id:	JVNDB-2021-009516	date:	2022-05-02T00:00:00
db:	CNNVD	id:	CNNVD-202108-1021	date:	2021-08-10T00:00:00
db:	NVD	id:	CVE-2021-28845	date:	2021-08-10T20:15:08.377