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ID

VAR-202312-0571


CVE

CVE-2023-50203


TITLE

D-Link G416 nodered chmod Command Injection Remote Code Execution Vulnerability

Trust: 1.3

sources: ZDI: ZDI-23-1819 // CNVD: CNVD-2025-22326

DESCRIPTION

D-Link G416 nodered chmod Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code 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 proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21296. D-Link Systems, Inc. of G416 The firmware has OS A command injection vulnerability exists.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. The D-Link G416 is a AX1500 4G+ smart router launched by D-Link in June 2025. It supports Wi-Fi 6, AI intelligent optimization, and 4G LTE Cat 6 network, with a maximum speed of 300Mbps

Trust: 2.88

sources: NVD: CVE-2023-50203 // JVNDB: JVNDB-2023-028302 // ZDI: ZDI-23-1819 // CNVD: CNVD-2025-22326 // VULMON: CVE-2023-50203

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-22326

AFFECTED PRODUCTS

vendor:d linkmodel:g416scope: - version: -

Trust: 2.1

vendor:dlinkmodel:g416scope:ltversion:1.09b01

Trust: 1.0

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

Trust: 0.8

vendor:d linkmodel:g416scope:eqversion: -

Trust: 0.8

sources: ZDI: ZDI-23-1819 // CNVD: CNVD-2025-22326 // JVNDB: JVNDB-2023-028302 // NVD: CVE-2023-50203

CVSS

SEVERITY

CVSSV2

CVSSV3

zdi-disclosures@trendmicro.com: CVE-2023-50203
value: HIGH

Trust: 1.0

nvd@nist.gov: CVE-2023-50203
value: HIGH

Trust: 1.0

NVD: CVE-2023-50203
value: HIGH

Trust: 0.8

ZDI: CVE-2023-50203
value: HIGH

Trust: 0.7

CNVD: CNVD-2025-22326
value: HIGH

Trust: 0.6

CNVD: CNVD-2025-22326
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-2023-50203
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-2023-50203
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-2023-50203
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-23-1819 // CNVD: CNVD-2025-22326 // JVNDB: JVNDB-2023-028302 // NVD: CVE-2023-50203 // NVD: CVE-2023-50203

PROBLEMTYPE DATA

problemtype:CWE-78

Trust: 1.0

problemtype:OS Command injection (CWE-78) [NVD evaluation ]

Trust: 0.8

problemtype:OS Command injection (CWE-78) [ others ]

Trust: 0.8

sources: JVNDB: JVNDB-2023-028302 // NVD: CVE-2023-50203

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 nodered chmod command injection remote code execution vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/734861

Trust: 0.6

sources: ZDI: ZDI-23-1819 // CNVD: CNVD-2025-22326

EXTERNAL IDS

db:NVDid:CVE-2023-50203

Trust: 4.0

db:ZDIid:ZDI-23-1819

Trust: 2.6

db:DLINKid:SAP10367

Trust: 1.8

db:JVNDBid:JVNDB-2023-028302

Trust: 0.8

db:ZDI_CANid:ZDI-CAN-21296

Trust: 0.7

db:CNVDid:CNVD-2025-22326

Trust: 0.6

db:VULMONid:CVE-2023-50203

Trust: 0.1

sources: ZDI: ZDI-23-1819 // CNVD: CNVD-2025-22326 // VULMON: CVE-2023-50203 // JVNDB: JVNDB-2023-028302 // NVD: CVE-2023-50203

REFERENCES

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

Trust: 2.5

url:https://www.zerodayinitiative.com/advisories/zdi-23-1819/

Trust: 1.9

url:https://nvd.nist.gov/vuln/detail/cve-2023-50203

Trust: 0.8

url:https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2023-50203

Trust: 0.6

sources: ZDI: ZDI-23-1819 // CNVD: CNVD-2025-22326 // VULMON: CVE-2023-50203 // JVNDB: JVNDB-2023-028302 // NVD: CVE-2023-50203

CREDITS

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

Trust: 0.7

sources: ZDI: ZDI-23-1819

SOURCES

db:ZDIid:ZDI-23-1819
db:CNVDid:CNVD-2025-22326
db:VULMONid:CVE-2023-50203
db:JVNDBid:JVNDB-2023-028302
db:NVDid:CVE-2023-50203

LAST UPDATE DATE

2025-09-24T23:05:19.019000+00:00


SOURCES UPDATE DATE

db:ZDIid:ZDI-23-1819date:2023-12-20T00:00:00
db:CNVDid:CNVD-2025-22326date:2025-09-23T00:00:00
db:JVNDBid:JVNDB-2023-028302date:2025-03-11T07:30:00
db:NVDid:CVE-2023-50203date:2025-03-10T16:26:06.647

SOURCES RELEASE DATE

db:ZDIid:ZDI-23-1819date:2023-12-20T00:00:00
db:CNVDid:CNVD-2025-22326date:2025-09-23T00:00:00
db:JVNDBid:JVNDB-2023-028302date:2025-03-11T00:00:00
db:NVDid:CVE-2023-50203date:2024-05-03T03:16:06.127