CVE-2025-9964

high

Description

No password for the root user is set in Novakon P series. This allows phyiscal attackers to enter the console easily. This issue affects P series: P – V2001.A.C518o2 until P-2.0.05 Build 2026.02.06 (commit d0f97fd9).

References

Advisories
More

https://www.novakon.com.tw/en/news/detail/Security_Advisory__Firmware_Update_Available_for_NOVAKON_P_Series_HMI_Products

https://www.novakon.com.tw/common/frontend/download?path=/uploads/images/support/download/NOVAKON_P-Series-HMI_Security-Advisory_CVE-2025-9962-9966_Rev2_0.pdf

https://cyberdanube.com/security-research/multiple-vulnerabilities-in-novakon-hmi-series/

http://seclists.org/fulldisclosure/2025/Sep/70

Details

Source: Mitre, NVD

Published: 2025-09-23

Updated: 2026-03-31

Risk Information

CVSS v2

Base Score: 9.4

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

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

CVSS v4

Base Score: 8.6

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