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ID

VAR-202312-0592


CVE

CVE-2023-50199


TITLE

D-Link Systems, Inc.  of  G416  Vulnerability related to lack of authentication for critical functions in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2023-028312

DESCRIPTION

D-Link G416 httpd Missing Authentication for Critical Function Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link G416 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the HTTP service listening on TCP port 80. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to gain access to critical functions on the device. Was ZDI-CAN-21287. D-Link Systems, Inc. of G416 Firmware has a lack of authentication vulnerability for critical functionality.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. The D-Link G416 is the AX1500 4G+ smart router launched by D-Link in June 2025. It supports Wi-Fi 6, AI-powered optimization, and 4G LTE Cat 6 network, offering speeds up to 300Mbps

Trust: 2.88

sources: NVD: CVE-2023-50199 // JVNDB: JVNDB-2023-028312 // ZDI: ZDI-23-1815 // CNVD: CNVD-2025-18892 // VULMON: CVE-2023-50199

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-18892

AFFECTED PRODUCTS

vendor:d linkmodel:g416scope: - version: -

Trust: 2.1

vendor:dlinkmodel:g416scope:ltversion:1.09b01

Trust: 1.0

vendor:d linkmodel:g416scope:eqversion: -

Trust: 0.8

vendor:d linkmodel:g416scope:eqversion:g416 firmware 1.09b01

Trust: 0.8

sources: ZDI: ZDI-23-1815 // CNVD: CNVD-2025-18892 // JVNDB: JVNDB-2023-028312 // NVD: CVE-2023-50199

CVSS

SEVERITY

CVSSV2

CVSSV3

zdi-disclosures@trendmicro.com: CVE-2023-50199
value: HIGH

Trust: 1.0

nvd@nist.gov: CVE-2023-50199
value: HIGH

Trust: 1.0

NVD: CVE-2023-50199
value: HIGH

Trust: 0.8

ZDI: CVE-2023-50199
value: HIGH

Trust: 0.7

CNVD: CNVD-2025-18892
value: HIGH

Trust: 0.6

CNVD: CNVD-2025-18892
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-2023-50199
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-2023-50199
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-2023-50199
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-23-1815 // CNVD: CNVD-2025-18892 // JVNDB: JVNDB-2023-028312 // NVD: CVE-2023-50199 // NVD: CVE-2023-50199

PROBLEMTYPE DATA

problemtype:CWE-306

Trust: 1.0

problemtype:Lack of authentication for critical features (CWE-306) [ others ]

Trust: 0.8

problemtype: Lack of authentication for critical features (CWE-306) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2023-028312 // NVD: CVE-2023-50199

PATCH

title:D-Link has issued an update to correct this vulnerability.url:https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10367

Trust: 0.7

title:Patch for D-Link G416 Authentication Vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/719916

Trust: 0.6

sources: ZDI: ZDI-23-1815 // CNVD: CNVD-2025-18892

EXTERNAL IDS

db:NVDid:CVE-2023-50199

Trust: 4.0

db:ZDIid:ZDI-23-1815

Trust: 2.6

db:DLINKid:SAP10367

Trust: 1.8

db:JVNDBid:JVNDB-2023-028312

Trust: 0.8

db:ZDI_CANid:ZDI-CAN-21287

Trust: 0.7

db:CNVDid:CNVD-2025-18892

Trust: 0.6

db:VULMONid:CVE-2023-50199

Trust: 0.1

sources: ZDI: ZDI-23-1815 // CNVD: CNVD-2025-18892 // VULMON: CVE-2023-50199 // JVNDB: JVNDB-2023-028312 // NVD: CVE-2023-50199

REFERENCES

url:https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=sap10367

Trust: 2.5

url:https://www.zerodayinitiative.com/advisories/zdi-23-1815/

Trust: 1.9

url:https://nvd.nist.gov/vuln/detail/cve-2023-50199

Trust: 0.8

url:https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2023-50199

Trust: 0.6

sources: ZDI: ZDI-23-1815 // CNVD: CNVD-2025-18892 // VULMON: CVE-2023-50199 // JVNDB: JVNDB-2023-028312 // NVD: CVE-2023-50199

CREDITS

Sina Kheirkhah (@SinSinology) of Summoning Team (@SummoningTeam)

Trust: 0.7

sources: ZDI: ZDI-23-1815

SOURCES

db:ZDIid:ZDI-23-1815
db:CNVDid:CNVD-2025-18892
db:VULMONid:CVE-2023-50199
db:JVNDBid:JVNDB-2023-028312
db:NVDid:CVE-2023-50199

LAST UPDATE DATE

2025-08-21T23:11:17.741000+00:00


SOURCES UPDATE DATE

db:ZDIid:ZDI-23-1815date:2023-12-20T00:00:00
db:CNVDid:CNVD-2025-18892date:2025-08-20T00:00:00
db:JVNDBid:JVNDB-2023-028312date:2025-03-11T09:18:00
db:NVDid:CVE-2023-50199date:2025-03-10T16:26:06.647

SOURCES RELEASE DATE

db:ZDIid:ZDI-23-1815date:2023-12-20T00:00:00
db:CNVDid:CNVD-2025-18892date:2025-08-18T00:00:00
db:JVNDBid:JVNDB-2023-028312date:2025-03-11T00:00:00
db:NVDid:CVE-2023-50199date:2024-05-03T03:16:05.387