CVE-2025-64305

high

Description

MicroServer copies parts of the system firmware to an unencrypted external SD card on boot, which contains user and vendor secrets. An attacker can utilize these plaintext secrets to modify the vendor firmware, or gain admin access to the web portal.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-26-006-01

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-006-01.json

Details

Source: Mitre, NVD

Published: 2026-01-07

Updated: 2026-04-15

Risk Information

CVSS v2

Base Score: 6.1

Vector: CVSS2#AV:A/AC:L/Au:N/C:C/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 6.5

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

Severity: Medium

CVSS v4

Base Score: 7.1

Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Severity: High

EPSS

EPSS: 0.0001