What is CVE-2025-59392?

CVE-2025-59392 is a medium-severity vulnerability in Elspec-Ltd G5dfr, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 6.8/10. Published 2025-11-06.

How severe is CVE-2025-59392?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Vulnerability in Elspec-Ltd G5dfr

CVE-2025-59392

On Elspec G5 devices through 1.2.2.19, a person with physical access to the device can reset the Admin password by inserting a USB drive (containing a publicly documented reset string) into a USB port.

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

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (10.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 10.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-288 — Authentication Bypass Using an Alternate Path or Channel

References

www.elspec-ltd.com/metering-protection/g5-multi-functional-digital-fault-record… (Product)
www.elspec-ltd.com/support/security-advisories/ (Vendor Advisory)

Frequently asked questions

What is CVE-2025-59392?: CVE-2025-59392 is a medium-severity vulnerability in Elspec-Ltd G5dfr, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 6.8/10. Published 2025-11-06.
How severe is CVE-2025-59392?: Medium severity. CVSS v3 base score is 6.8 out of 10.