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ID

VAR-202509-3042


CVE

CVE-2025-58321


TITLE

Delta Electronics DIALink Directory Traversal Remote Code Execution Vulnerability

Trust: 0.7

sources: ZDI: ZDI-25-926

DESCRIPTION

Delta Electronics DIALink has an Directory Traversal Authentication Bypass Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Delta Electronics DIALink. Authentication is not required to exploit this vulnerability.The specific flaw exists within the DataCenter service, which listens on TCP port 7631 by default. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Delta Electronics DIALink is an industrial automation communication gateway from Delta Electronics, a Chinese company

Trust: 2.07

sources: NVD: CVE-2025-58321 // ZDI: ZDI-25-926 // CNVD: CNVD-2025-22948

IOT TAXONOMY

category:['ICS']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-22948

AFFECTED PRODUCTS

vendor:deltawwmodel:dialinkscope:ltversion:1.8.0.0

Trust: 1.0

vendor:deltamodel:dialinkscope: - version: -

Trust: 0.7

vendor:deltamodel:electronics dialinkscope:lteversion:<=1.6.0.0

Trust: 0.6

sources: ZDI: ZDI-25-926 // CNVD: CNVD-2025-22948 // NVD: CVE-2025-58321

CVSS

SEVERITY

CVSSV2

CVSSV3

759f5e80-c8e1-4224-bead-956d7b33c98b: CVE-2025-58321
value: CRITICAL

Trust: 1.0

ZDI: CVE-2025-58321
value: CRITICAL

Trust: 0.7

CNVD: CNVD-2025-22948
value: HIGH

Trust: 0.6

CNVD: CNVD-2025-22948
severity: HIGH
baseScore: 10.0
vectorString: AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 10.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

759f5e80-c8e1-4224-bead-956d7b33c98b: CVE-2025-58321
baseSeverity: CRITICAL
baseScore: 10.0
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: CHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 6.0
version: 3.1

Trust: 1.0

ZDI: CVE-2025-58321
baseSeverity: CRITICAL
baseScore: 10.0
vectorString: AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: CHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 6.0
version: 3.0

Trust: 0.7

sources: ZDI: ZDI-25-926 // CNVD: CNVD-2025-22948 // NVD: CVE-2025-58321

PROBLEMTYPE DATA

problemtype:CWE-22

Trust: 1.0

sources: NVD: CVE-2025-58321

PATCH

title:Delta Electronics has issued an update to correct this vulnerability.url:https://www.cisa.gov/news-events/ics-advisories/icsa-25-259-07

Trust: 0.7

title:Patch for Delta Electronics DIALink Directory Traversal Vulnerability (CNVD-2025-22948)url:https://www.cnvd.org.cn/patchInfo/show/738711

Trust: 0.6

sources: ZDI: ZDI-25-926 // CNVD: CNVD-2025-22948

EXTERNAL IDS

db:NVDid:CVE-2025-58321

Trust: 2.3

db:ZDI_CANid:ZDI-CAN-26827

Trust: 0.7

db:ZDIid:ZDI-25-926

Trust: 0.7

db:CNVDid:CNVD-2025-22948

Trust: 0.6

sources: ZDI: ZDI-25-926 // CNVD: CNVD-2025-22948 // NVD: CVE-2025-58321

REFERENCES

url:https://filecenter.deltaww.com/news/download/doc/delta-pcsa-2025-00016_dialink%20-%20directory%20traversal%20authentication%20bypass%20vulnerability.pdf

Trust: 1.6

url:https://www.cisa.gov/news-events/ics-advisories/icsa-25-259-07

Trust: 0.7

sources: ZDI: ZDI-25-926 // CNVD: CNVD-2025-22948 // NVD: CVE-2025-58321

CREDITS

Anonymous

Trust: 0.7

sources: ZDI: ZDI-25-926

SOURCES

db:ZDIid:ZDI-25-926
db:CNVDid:CNVD-2025-22948
db:NVDid:CVE-2025-58321

LAST UPDATE DATE

2025-10-03T23:32:49.250000+00:00


SOURCES UPDATE DATE

db:ZDIid:ZDI-25-926date:2025-10-01T00:00:00
db:CNVDid:CNVD-2025-22948date:2025-09-29T00:00:00
db:NVDid:CVE-2025-58321date:2025-09-26T14:43:15.530

SOURCES RELEASE DATE

db:ZDIid:ZDI-25-926date:2025-10-01T00:00:00
db:CNVDid:CNVD-2025-22948date:2025-09-29T00:00:00
db:NVDid:CVE-2025-58321date:2025-09-11T09:15:35.010