Sign-up

ID

VAR-202108-0935


CVE

CVE-2021-29294


TITLE

D-Link DSL-2740R  In  NULL  Pointer dereference vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2021-010718

DESCRIPTION

Null Pointer Dereference vulnerability exists in D-Link DSL-2740R UK_1.01, which could let a remove malicious user cause a denial of service via the send_hnap_unauthorized function. It could be triggered by sending crafted POST request to /HNAP1/. NOTE: The DSL-2740R and all hardware revisions are 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 DSL-2740R for, NULL There is a vulnerability in pointer dereference.Service operation interruption (DoS) It may be in a state. D-Link DSL-2740R is a high-performance ADSL router from D-Link in Taiwan. D-Link DSL-2740R UK 1.01 has a security vulnerability, which can be exploited by an attacker to cause a denial of service of related devices

Trust: 2.25

sources: NVD: CVE-2021-29294 // JVNDB: JVNDB-2021-010718 // CNVD: CNVD-2021-63769 // VULMON: CVE-2021-29294

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-63769

AFFECTED PRODUCTS

vendor:dlinkmodel:dsl-2740rscope:eqversion:uk_1.01

Trust: 1.0

vendor:d linkmodel:dsl-2740rscope:eqversion:dsl-2740r firmware uk_1.01

Trust: 0.8

vendor:d linkmodel:dsl-2740rscope:eqversion: -

Trust: 0.8

vendor:youxunmodel:technology dsl-2740r ukscope:eqversion:1.01

Trust: 0.6

sources: CNVD: CNVD-2021-63769 // JVNDB: JVNDB-2021-010718 // NVD: CVE-2021-29294

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-29294
value: HIGH

Trust: 1.0

NVD: CVE-2021-29294
value: HIGH

Trust: 0.8

CNVD: CNVD-2021-63769
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202108-1023
value: HIGH

Trust: 0.6

VULMON: CVE-2021-29294
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-29294
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-2021-63769
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-2021-29294
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-2021-29294
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-2021-63769 // VULMON: CVE-2021-29294 // JVNDB: JVNDB-2021-010718 // CNNVD: CNNVD-202108-1023 // NVD: CVE-2021-29294

PROBLEMTYPE DATA

problemtype:CWE-476

Trust: 1.0

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

Trust: 0.8

sources: JVNDB: JVNDB-2021-010718 // NVD: CVE-2021-29294

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202108-1023

TYPE

code problem

Trust: 0.6

sources: CNNVD: CNNVD-202108-1023

PATCH

title: - url:https://www.dlink.com/en/security-bulletin

Trust: 0.8

title:Patch for D-Link DSL-2740R code issue vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/287211

Trust: 0.6

title:D-Link DSL-2740R Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=159399

Trust: 0.6

sources: CNVD: CNVD-2021-63769 // JVNDB: JVNDB-2021-010718 // CNNVD: CNNVD-202108-1023

EXTERNAL IDS

db:NVDid:CVE-2021-29294

Trust: 3.9

db:DLINKid:SAP10213

Trust: 1.7

db:JVNDBid:JVNDB-2021-010718

Trust: 0.8

db:CNVDid:CNVD-2021-63769

Trust: 0.6

db:CNNVDid:CNNVD-202108-1023

Trust: 0.6

db:VULMONid:CVE-2021-29294

Trust: 0.1

sources: CNVD: CNVD-2021-63769 // VULMON: CVE-2021-29294 // JVNDB: JVNDB-2021-010718 // CNNVD: CNNVD-202108-1023 // NVD: CVE-2021-29294

REFERENCES

url:https://www.dlink.com/en/security-bulletin/

Trust: 1.7

url:https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=sap10213

Trust: 1.7

url:https://nvd.nist.gov/vuln/detail/cve-2021-29294

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-2021-63769 // VULMON: CVE-2021-29294 // JVNDB: JVNDB-2021-010718 // CNNVD: CNNVD-202108-1023 // NVD: CVE-2021-29294

SOURCES

db:CNVDid:CNVD-2021-63769
db:VULMONid:CVE-2021-29294
db:JVNDBid:JVNDB-2021-010718
db:CNNVDid:CNNVD-202108-1023
db:NVDid:CVE-2021-29294

LAST UPDATE DATE

2024-08-14T15:37:59.224000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2021-63769date:2021-08-21T00:00:00
db:VULMONid:CVE-2021-29294date:2021-08-17T00:00:00
db:JVNDBid:JVNDB-2021-010718date:2022-07-07T02:53:00
db:CNNVDid:CNNVD-202108-1023date:2021-08-18T00:00:00
db:NVDid:CVE-2021-29294date:2024-08-03T22:15:39.750

SOURCES RELEASE DATE

db:CNVDid:CNVD-2021-63769date:2021-08-21T00:00:00
db:VULMONid:CVE-2021-29294date:2021-08-10T00:00:00
db:JVNDBid:JVNDB-2021-010718date:2022-07-07T00:00:00
db:CNNVDid:CNNVD-202108-1023date:2021-08-10T00:00:00
db:NVDid:CVE-2021-29294date:2021-08-10T20:15:08.457