---
cve: "CVE-2026-31267"
severity: "MEDIUM"
cvss: 5.7
epss: "20%"
vendor: "n/a"
kev: false
exploited: false
published: "2026-07-09 21:16:54"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-03T03:54:28+02:00"
---

# CVE-2026-31267

> 5.7 MEDIUM · 🧪 PoC

## Beschreibung

Mercusys MW302R MW302R(EU)_V1_1.4.10 Build 231023 is vulnerable to Buffer Overflow in the administrative web interface. A stack buffer overflow vulnerability in the administrative web interface allows an authenticated attacker with administrative privileges to trigger a system crash by sending a specially crafted request. The vulnerability results in denial of service through control flow manipulation to an arbitrary instruction address.

## CVSS-Vektor

```
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Benachbart | warn |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Keine | good |
| I Integrität | Keine | good |
| A Verfügbarkeit | Hoch | bad |

## Referenzen

- <https://barry-dev.xyz/about>
- <https://gist.github.com/BarrYPL/13dcd071673866cbbfaaa05085b98cf3>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-31267) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_