CVE-2025-58321: DIALink - Directory Traversal Authentication Bypass Vulnerability

Critical severity · published Sep 11, 2025

CVE-2025-58321

DIALink - Directory Traversal Authentication Bypass Vulnerability

10.0

CVSS

1.3%

EPSS

On KEV

Description

Delta Electronics DIALink has an Directory Traversal Authentication Bypass Vulnerability.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

High

Integrity

High

Availability

High

Scope

Changed

Exploitation

Is it being used?

Exploit prediction (EPSS)1.3% · higher than 70% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

DIALink · Delta Electronics

through 1.6.0.0 · source: vendor, NVD

Affected product

DIALink

Delta Electronics

All DIALink CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2025-58321

CVE.org

https://www.cve.org/CVERecord?id=CVE-2025-58321

Vendor Advisory

https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2025-00016_DIALink%20-%20Directory%20Traversal%20Authentication%20Bypass%20Vulnerability.pdf