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ID

VAR-202309-0320


CVE

CVE-2023-41216


TITLE

D-Link Systems, Inc.  of  DIR-3040  Out-of-bounds write vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2023-028947

DESCRIPTION

D-Link DIR-3040 prog.cgi SetDynamicDNSSettings Stack-Based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-3040 routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the prog.cgi binary, which handles HNAP requests made to the lighttpd webserver listening on TCP ports 80 and 443. The issue results from the lack of proper validation of a user-supplied string before 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-21616. D-Link Systems, Inc. of DIR-3040 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

Trust: 2.34

sources: NVD: CVE-2023-41216 // JVNDB: JVNDB-2023-028947 // ZDI: ZDI-23-1324 // VULMON: CVE-2023-41216

AFFECTED PRODUCTS

vendor:d linkmodel:dir-3040scope: - version: -

Trust: 1.5

vendor:dlinkmodel:dir-3040scope:lteversion:1.20b03

Trust: 1.0

vendor:d linkmodel:dir-3040scope:lteversion:dir-3040 firmware 1.20b03 and earlier

Trust: 0.8

vendor:d linkmodel:dir-3040scope:eqversion: -

Trust: 0.8

sources: ZDI: ZDI-23-1324 // JVNDB: JVNDB-2023-028947 // NVD: CVE-2023-41216

CVSS

SEVERITY

CVSSV2

CVSSV3

zdi-disclosures@trendmicro.com: CVE-2023-41216
value: MEDIUM

Trust: 1.0

nvd@nist.gov: CVE-2023-41216
value: MEDIUM

Trust: 1.0

NVD: CVE-2023-41216
value: MEDIUM

Trust: 0.8

ZDI: CVE-2023-41216
value: MEDIUM

Trust: 0.7

zdi-disclosures@trendmicro.com: CVE-2023-41216
baseSeverity: MEDIUM
baseScore: 6.8
vectorString: CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector: ADJACENT
attackComplexity: LOW
privilegesRequired: HIGH
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 0.9
impactScore: 5.9
version: 3.0

Trust: 1.8

nvd@nist.gov: CVE-2023-41216
baseSeverity: MEDIUM
baseScore: 6.8
vectorString: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector: ADJACENT
attackComplexity: LOW
privilegesRequired: HIGH
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 0.9
impactScore: 5.9
version: 3.1

Trust: 1.0

ZDI: CVE-2023-41216
baseSeverity: MEDIUM
baseScore: 6.8
vectorString: AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector: ADJACENT
attackComplexity: LOW
privilegesRequired: HIGH
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 0.9
impactScore: 5.9
version: 3.0

Trust: 0.7

sources: ZDI: ZDI-23-1324 // JVNDB: JVNDB-2023-028947 // NVD: CVE-2023-41216 // NVD: CVE-2023-41216

PROBLEMTYPE DATA

problemtype:CWE-121

Trust: 1.0

problemtype:CWE-787

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-2023-028947 // NVD: CVE-2023-41216

PATCH

title:D-Link has issued an update to correct this vulnerability.url:https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10350

Trust: 0.7

sources: ZDI: ZDI-23-1324

EXTERNAL IDS

db:NVDid:CVE-2023-41216

Trust: 3.4

db:ZDIid:ZDI-23-1324

Trust: 2.6

db:DLINKid:SAP10350

Trust: 1.8

db:JVNDBid:JVNDB-2023-028947

Trust: 0.8

db:ZDI_CANid:ZDI-CAN-21616

Trust: 0.7

db:VULMONid:CVE-2023-41216

Trust: 0.1

sources: ZDI: ZDI-23-1324 // VULMON: CVE-2023-41216 // JVNDB: JVNDB-2023-028947 // NVD: CVE-2023-41216

REFERENCES

url:https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=sap10350

Trust: 2.5

url:https://www.zerodayinitiative.com/advisories/zdi-23-1324/

Trust: 1.9

url:https://nvd.nist.gov/vuln/detail/cve-2023-41216

Trust: 0.8

sources: ZDI: ZDI-23-1324 // VULMON: CVE-2023-41216 // JVNDB: JVNDB-2023-028947 // NVD: CVE-2023-41216

CREDITS

Peter Girnus, Nicholas Zubrisky

Trust: 0.7

sources: ZDI: ZDI-23-1324

SOURCES

db:ZDIid:ZDI-23-1324
db:VULMONid:CVE-2023-41216
db:JVNDBid:JVNDB-2023-028947
db:NVDid:CVE-2023-41216

LAST UPDATE DATE

2025-05-18T23:08:17.075000+00:00


SOURCES UPDATE DATE

db:ZDIid:ZDI-23-1324date:2023-09-07T00:00:00
db:JVNDBid:JVNDB-2023-028947date:2025-05-16T08:25:00
db:NVDid:CVE-2023-41216date:2025-05-15T12:43:36.367

SOURCES RELEASE DATE

db:ZDIid:ZDI-23-1324date:2023-09-07T00:00:00
db:JVNDBid:JVNDB-2023-028947date:2025-05-16T00:00:00
db:NVDid:CVE-2023-41216date:2024-05-03T03:15:33.467