Details of VAR-202108-0937

ID

VAR-202108-0937

CVE

CVE-2021-29296

TITLE

D-Link DIR-825 In NULL Pointer dereference vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2021-010701

DESCRIPTION

Null Pointer Dereference vulnerability in D-Link DIR-825 2.10b02, which could let a remote malicious user cause a denial of service. The vulnerability could be triggered by sending an HTTP request with URL /vct_wan; the sbin/httpd would invoke the strchr function and take NULL as a first argument, which finally leads to the segmentation fault. NOTE: The DIR-825 and all hardware revisions is considered End of Life and as such this issue will not be patched. ** Not supported ** This is a vulnerability in an unsupported product. D-Link DIR-825 for, NULL There is a vulnerability in pointer dereference.Service operation interruption (DoS) It may be in a state. D-Link DIR-825 is a router made by D-Link in Taiwan

Trust: 2.25

sources: NVD: CVE-2021-29296 // JVNDB: JVNDB-2021-010701 // CNVD: CNVD-2021-94844 // VULMON: CVE-2021-29296

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2021-94844

AFFECTED PRODUCTS

vendor:	dlink	model:	dir-825	scope:	eq	version:	2.10b02	Trust: 1.0
vendor:	d link	model:	dir-825	scope:	eq	version:	dir-825 firmware 2.10b02	Trust: 0.8
vendor:	d link	model:	dir-825	scope:	eq	version:	-	Trust: 0.8
vendor:	d link	model:	dir-825 2.10b02	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2021-94844 // JVNDB: JVNDB-2021-010701 // NVD: CVE-2021-29296

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-29296
value:	HIGH
Trust: 1.0
NVD:	CVE-2021-29296
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2021-94844
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-202108-1027
value:	HIGH
Trust: 0.6
VULMON:	CVE-2021-29296
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2021-29296
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-2021-94844
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-2021-29296
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-2021-29296
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-2021-94844 // VULMON: CVE-2021-29296 // JVNDB: JVNDB-2021-010701 // CNNVD: CNNVD-202108-1027 // NVD: CVE-2021-29296

PROBLEMTYPE DATA

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

sources: JVNDB: JVNDB-2021-010701 // NVD: CVE-2021-29296

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202108-1027

TYPE

code problem

Trust: 0.6

sources: CNNVD: CNNVD-202108-1027

PATCH

title:	-	url:	https://www.dlink.com/en/security-bulletin	Trust: 0.8
title:	Patch for D-Link DIR-825 Null Pointer Dereference Vulnerability	url:	https://www.cnvd.org.cn/patchInfo/show/302926	Trust: 0.6
title:	D-Link DIR-825 Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=159403	Trust: 0.6

sources: CNVD: CNVD-2021-94844 // JVNDB: JVNDB-2021-010701 // CNNVD: CNNVD-202108-1027

EXTERNAL IDS

db:	NVD	id:	CVE-2021-29296	Trust: 3.9
db:	DLINK	id:	SAP10212	Trust: 1.7
db:	JVNDB	id:	JVNDB-2021-010701	Trust: 0.8
db:	CNVD	id:	CNVD-2021-94844	Trust: 0.6
db:	CNNVD	id:	CNNVD-202108-1027	Trust: 0.6
db:	VULMON	id:	CVE-2021-29296	Trust: 0.1

sources: CNVD: CNVD-2021-94844 // VULMON: CVE-2021-29296 // JVNDB: JVNDB-2021-010701 // CNNVD: CNNVD-202108-1027 // NVD: CVE-2021-29296

REFERENCES

url:	https://www.dlink.com/en/security-bulletin/	Trust: 1.7
url:	https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=sap10212	Trust: 1.7
url:	https://nvd.nist.gov/vuln/detail/cve-2021-29296	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-2021-94844 // VULMON: CVE-2021-29296 // JVNDB: JVNDB-2021-010701 // CNNVD: CNNVD-202108-1027 // NVD: CVE-2021-29296

SOURCES

db:	CNVD	id:	CNVD-2021-94844
db:	VULMON	id:	CVE-2021-29296
db:	JVNDB	id:	JVNDB-2021-010701
db:	CNNVD	id:	CNNVD-202108-1027
db:	NVD	id:	CVE-2021-29296

LAST UPDATE DATE

2024-08-14T15:33:05.619000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2021-94844	date:	2021-12-07T00:00:00
db:	VULMON	id:	CVE-2021-29296	date:	2021-08-17T00:00:00
db:	JVNDB	id:	JVNDB-2021-010701	date:	2022-07-07T02:35:00
db:	CNNVD	id:	CNNVD-202108-1027	date:	2021-08-18T00:00:00
db:	NVD	id:	CVE-2021-29296	date:	2024-08-03T22:15:40.157

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2021-94844	date:	2021-12-07T00:00:00
db:	VULMON	id:	CVE-2021-29296	date:	2021-08-10T00:00:00
db:	JVNDB	id:	JVNDB-2021-010701	date:	2022-07-07T00:00:00
db:	CNNVD	id:	CNNVD-202108-1027	date:	2021-08-10T00:00:00
db:	NVD	id:	CVE-2021-29296	date:	2021-08-10T20:15:08.530