What is CVE-2025-58321?

CVE-2025-58321 is a critical-severity vulnerability in Delta Electronics Dialink, classified under Path Traversal. CVSS score: 10.0/10. Published 2025-09-11.

How severe is CVE-2025-58321?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Is CVE-2025-58321 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Path Traversal in Delta Electronics Dialink

CVE-2025-58321

Delta Electronics DIALink has an Directory Traversal Authentication Bypass Vulnerability.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2025-09-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (68.3th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Delta Electronics Dialink — versions 0
Deltaww Dialink

Weakness classification (CWE)

CWE-22 — Path Traversal

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

759f5e80-c8e1-4224-bead-956d7b33c98b (Vendor Advisory)

Frequently asked questions

What is CVE-2025-58321?: CVE-2025-58321 is a critical-severity vulnerability in Delta Electronics Dialink, classified under Path Traversal. CVSS score: 10.0/10. Published 2025-09-11.
How severe is CVE-2025-58321?: Critical severity. CVSS v3 base score is 10.0 out of 10.
Is CVE-2025-58321 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.