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ID

VAR-202211-1564


CVE

CVE-2022-44202


TITLE

D-Link DIR-823G sub_4883F0 function buffer overflow vulnerability

Trust: 0.6

sources: CNVD: CNVD-2022-86326

DESCRIPTION

D-Link DIR878 1.02B04 and 1.02B05 are vulnerable to Buffer Overflow. D-Link DIR-823G is a wireless router made by China D-Link Company. The vulnerability is caused by the lack of length verification of the input data in the sub_4883F0 function. Attackers can use this vulnerability to cause denial of service or remote code execution

Trust: 1.44

sources: NVD: CVE-2022-44202 // CNVD: CNVD-2022-86326

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2022-86326

AFFECTED PRODUCTS

vendor:dlinkmodel:dir-878scope:eqversion:1.02b05

Trust: 1.0

vendor:dlinkmodel:dir-878scope:eqversion:1.02b04

Trust: 1.0

vendor:d linkmodel:dir-823g 1.02b05scope: - version: -

Trust: 0.6

vendor:d linkmodel:dir-823g 1.02b04scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2022-86326 // NVD: CVE-2022-44202

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2022-44202
value: CRITICAL

Trust: 1.0

134c704f-9b21-4f2e-91b3-4a467353bcc0: CVE-2022-44202
value: CRITICAL

Trust: 1.0

CNVD: CNVD-2022-86326
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202211-3308
value: CRITICAL

Trust: 0.6

CNVD: CNVD-2022-86326
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-2022-44202
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: 2.0

sources: CNVD: CNVD-2022-86326 // CNNVD: CNNVD-202211-3308 // NVD: CVE-2022-44202 // NVD: CVE-2022-44202

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.0

sources: NVD: CVE-2022-44202

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202211-3308

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202211-3308

EXTERNAL IDS

db:NVDid:CVE-2022-44202

Trust: 2.2

db:CNVDid:CNVD-2022-86326

Trust: 0.6

db:CNNVDid:CNNVD-202211-3308

Trust: 0.6

sources: CNVD: CNVD-2022-86326 // CNNVD: CNNVD-202211-3308 // NVD: CVE-2022-44202

REFERENCES

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

Trust: 2.2

url:https://github.com/robinwang825/iot_vuln/blob/main/d-link/dir-878/1/readme.md

Trust: 1.6

url:https://cxsecurity.com/cveshow/cve-2022-44202/

Trust: 0.6

sources: CNVD: CNVD-2022-86326 // CNNVD: CNNVD-202211-3308 // NVD: CVE-2022-44202

SOURCES

db:CNVDid:CNVD-2022-86326
db:CNNVDid:CNNVD-202211-3308
db:NVDid:CVE-2022-44202

LAST UPDATE DATE

2025-04-30T22:58:01.872000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2022-86326date:2022-12-09T00:00:00
db:CNNVDid:CNNVD-202211-3308date:2022-11-24T00:00:00
db:NVDid:CVE-2022-44202date:2025-04-29T20:15:23.290

SOURCES RELEASE DATE

db:CNVDid:CNVD-2022-86326date:2022-12-07T00:00:00
db:CNNVDid:CNNVD-202211-3308date:2022-11-22T00:00:00
db:NVDid:CVE-2022-44202date:2022-11-22T15:15:12.630