---
cve: "CVE-2023-7220"
severity: "CRITICAL"
cvss: 9.8
epss: "1.5%"
vendor: "Totolink"
kev: false
exploited: false
published: "2024-01-09 08:15:36"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-04T01:39:35+02:00"
---

# CVE-2023-7220

> 9.8 CRITICAL · 🧪 PoC

## Beschreibung

A vulnerability was found in Totolink NR1800X 9.1.0u.6279_B20210910 and classified as critical. Affected by this issue is the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-249854 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

## CVSS-Vektor

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

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

## Referenzen

- <https://vuldb.com/?id.249854>
- <https://vuldb.com/?ctiid.249854>
- <https://github.com/jylsec/vuldb/blob/main/TOTOLINK/NR1800X/1/README.md>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2023-7220) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_