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ID

VAR-202308-3113


CVE

CVE-2023-35740


TITLE

D-Link Systems, Inc.  of  DAP-2622  Out-of-bounds write vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2023-028884

DESCRIPTION

D-Link DAP-2622 DDP Configuration Backup Server Address Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2622 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the DDP service. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-20067. D-Link Systems, Inc. of DAP-2622 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. D-Link DAP-2622 is a wireless access point device from D-Link, a Chinese company

Trust: 2.79

sources: NVD: CVE-2023-35740 // JVNDB: JVNDB-2023-028884 // ZDI: ZDI-23-1245 // CNVD: CNVD-2024-33398

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2024-33398

AFFECTED PRODUCTS

vendor:d linkmodel:dap-2622scope: - version: -

Trust: 2.1

vendor:dlinkmodel:dap-2622scope:ltversion:1.10b03r022

Trust: 1.0

vendor:d linkmodel:dap-2622scope:eqversion: -

Trust: 0.8

vendor:d linkmodel:dap-2622scope:eqversion:dap-2622 firmware 1.10b03r022

Trust: 0.8

sources: ZDI: ZDI-23-1245 // CNVD: CNVD-2024-33398 // JVNDB: JVNDB-2023-028884 // NVD: CVE-2023-35740

CVSS

SEVERITY

CVSSV2

CVSSV3

zdi-disclosures@trendmicro.com: CVE-2023-35740
value: HIGH

Trust: 1.0

nvd@nist.gov: CVE-2023-35740
value: HIGH

Trust: 1.0

NVD: CVE-2023-35740
value: HIGH

Trust: 0.8

ZDI: CVE-2023-35740
value: HIGH

Trust: 0.7

CNVD: CNVD-2024-33398
value: HIGH

Trust: 0.6

CNVD: CNVD-2024-33398
severity: HIGH
baseScore: 8.3
vectorString: AV:A/AC:L/AU:N/C:C/I:C/A:C
accessVector: ADJACENT_NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 6.5
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

zdi-disclosures@trendmicro.com: CVE-2023-35740
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: ADJACENT
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 5.9
version: 3.0

Trust: 1.8

nvd@nist.gov: CVE-2023-35740
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: ADJACENT
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 5.9
version: 3.1

Trust: 1.0

ZDI: CVE-2023-35740
baseSeverity: HIGH
baseScore: 8.8
vectorString: AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: ADJACENT
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 5.9
version: 3.0

Trust: 0.7

sources: ZDI: ZDI-23-1245 // CNVD: CNVD-2024-33398 // JVNDB: JVNDB-2023-028884 // NVD: CVE-2023-35740 // NVD: CVE-2023-35740

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.0

problemtype:CWE-121

Trust: 1.0

problemtype:Stack-based buffer overflow (CWE-121) [ others ]

Trust: 0.8

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

Trust: 0.8

sources: JVNDB: JVNDB-2023-028884 // NVD: CVE-2023-35740

PATCH

title:D-Link has issued an update to correct this vulnerability.url:https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10349

Trust: 0.7

title:Patch for D-Link DAP-2622 Stack Buffer Overflow Vulnerability (CNVD-2024-33398)url:https://www.cnvd.org.cn/patchInfo/show/571356

Trust: 0.6

sources: ZDI: ZDI-23-1245 // CNVD: CNVD-2024-33398

EXTERNAL IDS

db:NVDid:CVE-2023-35740

Trust: 3.9

db:ZDIid:ZDI-23-1245

Trust: 2.5

db:DLINKid:SAP10349

Trust: 1.8

db:JVNDBid:JVNDB-2023-028884

Trust: 0.8

db:ZDI_CANid:ZDI-CAN-20067

Trust: 0.7

db:CNVDid:CNVD-2024-33398

Trust: 0.6

sources: ZDI: ZDI-23-1245 // CNVD: CNVD-2024-33398 // JVNDB: JVNDB-2023-028884 // NVD: CVE-2023-35740

REFERENCES

url:https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=sap10349

Trust: 2.5

url:https://www.zerodayinitiative.com/advisories/zdi-23-1245/

Trust: 1.8

url:https://nvd.nist.gov/vuln/detail/cve-2023-35740

Trust: 0.8

url:http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2023-35740

Trust: 0.6

sources: ZDI: ZDI-23-1245 // CNVD: CNVD-2024-33398 // JVNDB: JVNDB-2023-028884 // NVD: CVE-2023-35740

CREDITS

Dmitry "InfoSecDJ" Janushkevich of Trend Micro Zero Day Initiative

Trust: 0.7

sources: ZDI: ZDI-23-1245

SOURCES

db:ZDIid:ZDI-23-1245
db:CNVDid:CNVD-2024-33398
db:JVNDBid:JVNDB-2023-028884
db:NVDid:CVE-2023-35740

LAST UPDATE DATE

2025-05-15T22:49:02.889000+00:00


SOURCES UPDATE DATE

db:ZDIid:ZDI-23-1245date:2023-08-25T00:00:00
db:CNVDid:CNVD-2024-33398date:2024-07-22T00:00:00
db:JVNDBid:JVNDB-2023-028884date:2025-05-14T02:03:00
db:NVDid:CVE-2023-35740date:2025-05-13T13:52:32.613

SOURCES RELEASE DATE

db:ZDIid:ZDI-23-1245date:2023-08-25T00:00:00
db:CNVDid:CNVD-2024-33398date:2024-07-18T00:00:00
db:JVNDBid:JVNDB-2023-028884date:2025-05-14T00:00:00
db:NVDid:CVE-2023-35740date:2024-05-03T02:15:38.003