Unauthenticated Buffer Overflow

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Summary

CVECVE-2025-9962
StatePUBLISHED
AssignerCyberDanube
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-09-23 11:15:39 UTC
Updated2026-03-31 13:16:11 UTC
DescriptionA 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).

Risk And Classification

Primary CVSS: v4.0 10 CRITICAL from [email protected]

CVSS: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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.000810000 probability, percentile 0.239670000 (date 2026-04-02)

Problem Types: CWE-120 | CWE-120 CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary10CRITICALCVSS: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/C...
4.0CNACVSS10CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
High
Sub Integrity
High
Sub Availability
High

CVSS: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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Novakon P Series P07 P10 P12 P15 affected P – V2001.A.c518o2 P-V2005 custom Linux

References

ReferenceSourceLinkTags
www.novakon.com.tw/common/frontend/download [email protected] www.novakon.com.tw
seclists.org/fulldisclosure/2025/Sep/70 af854a3a-2127-422b-91ae-364da2661108 seclists.org
cyberdanube.com/security-research/multiple-vulnerabilities-in-novakon-hmi-series [email protected] cyberdanube.com
www.novakon.com.tw/en/news/detail/Security_Advisory__Firmware_Update_Available_f... [email protected] www.novakon.com.tw
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: S. Dietz (CyberDanube) (en)

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