CVE-2025-9966

Improper privilege management vulnerability in Novakon P series allows attackers to gain root privileges if one service is compromized.This issue affects P series: P – V2001.A.C518o2 until P-2.0.05 Build 2026.02.06 (commit d0f97fd9).

CVSS 4.0

7.3CVSS:4.0/AV:P/AC:H/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

EPSS

0.4% chance of exploitation in the next 30 days; higher than 29% of CVEs (scores of 2026-10-25)

CWE

CWE-269

Published

2025-09-23

Modified

2026-10-11

Record from

the NVD, synced 2026-10-19

References

• https://cyberdanube.com/security-research/multiple-vulnerabilities-in-novakon-hmi-series/
• 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://www.novakon.com.tw/en/news/detail/Security_Advisory__Firmware_Update_Available_for_NOVAKON_P_Series_HMI_Products
• http://seclists.org/fulldisclosure/2025/Sep/70

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