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

What is CVE-2025-58321?

CVE-2025-58321 is a critical path traversal vulnerability in Delta Electronics DIALink, published on 11 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Delta Electronics DIALink has an Directory Traversal Authentication Bypass Vulnerability.

Weakness: CWE-22

Which versions are affected by CVE-2025-58321?

It affects 1 product.

Products include Deltaww Dialink.

How do I fix CVE-2025-58321?

No fix has been published for CVE-2025-58321 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2025-58321 being exploited?

There is no known exploitation of CVE-2025-58321 in the wild and no public exploit code.

Other vulnerabilities in Delta Electronics DIALink

• CVE-2022-2660 Hardcoded credentials in Industrial Automation DIALink Critical 9.8
• CVE-2021-38418 Delta Electronics DIALink High 8.8
• CVE-2022-2969 ICSA-22-307-03 Delta Industrial Automation DIALink Path traversal High 8.1
• CVE-2021-38416 Delta Electronics DIALink High 7.8
• CVE-2021-38420 Delta Electronics DIALink High 7.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-9w85-hprg-c8rx.