---
cve: "CVE-2025-9962"
severity: "CRITICAL"
cvss: 10.0
epss: "1.1%"
vendor: "Novakon"
kev: false
exploited: false
published: "2025-09-23 11:15:39"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-10-25T09:37:23+01:00"
---

# CVE-2025-9962

> 10.0 CRITICAL

## Beschreibung

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).

## CNA-Record (Kanon, cvelistV5)

- CNA: **CyberDanube**
- State: PUBLISHED
- Stand: 2026-03-31 12:41:49
- CNA-CVSS: **10.0** (`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`)

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **poc**
  - Automatable: **no**
  - Technical Impact: **partial**

## CVSS-Vektor

```
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
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Schwachstellen-Klasse

- **CWE-120** — Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
  The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

## Angriffsmuster (CAPEC)

- [CAPEC-10 — Buffer Overflow via Environment Variables](https://capec.mitre.org/data/definitions/10.html) _(Severity: High)_
- [CAPEC-14 — Client-side Injection-induced Buffer Overflow](https://capec.mitre.org/data/definitions/14.html) _(Severity: High)_
- [CAPEC-24 — Filter Failure through Buffer Overflow](https://capec.mitre.org/data/definitions/24.html) _(Severity: High)_
- [CAPEC-42 — MIME Conversion](https://capec.mitre.org/data/definitions/42.html) _(Severity: High)_
- [CAPEC-44 — Overflow Binary Resource File](https://capec.mitre.org/data/definitions/44.html) _(Severity: Very High)_
- [CAPEC-45 — Buffer Overflow via Symbolic Links](https://capec.mitre.org/data/definitions/45.html) _(Severity: High)_
- [CAPEC-46 — Overflow Variables and Tags](https://capec.mitre.org/data/definitions/46.html) _(Severity: High)_
- [CAPEC-100 — Overflow Buffers](https://capec.mitre.org/data/definitions/100.html) _(Severity: Very High)_

## Referenzen

- <https://cyberdanube.com/security-research/multiple-vulnerabilities-in-novakon-hmi-series/>
- <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>
- <http://seclists.org/fulldisclosure/2025/Sep/70>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2025-9962/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_