VulnerabilityDeferred
CVE-2025-9962
A buffer overflow vulnerability in Novakon P series allows attackers to gain root permission without prior authentication.This issue affects P series: P – V2001.A.C518o2 until P-2.0.05 Build 2026.02.06 (commit d0f97fd9).
CRITICAL 10.0EPSS 1.11%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.11%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A buffer overflow vulnerability in Novakon P series allows attackers to gain root permission without prior authentication.This issue affects P series: P – V2001.A.C518o2 until P-2.0.05 Build 2026.02.06 (commit d0f97fd9).
- CVSS 4.0
- 10.0 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 1.11% probability · 64th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Source
- office@cyberdanube.com
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.