---
cve: "CVE-2023-7221"
severity: "CRITICAL"
cvss: 9.8
epss: "1.5%"
vendor: "Totolink"
kev: false
exploited: false
published: "2024-01-09 14:15:46"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-03T00:31:07+02:00"
---

# CVE-2023-7221

> 9.8 CRITICAL · 🧪 PoC

## Beschreibung

A vulnerability was found in Totolink T6 4.1.9cu.5241_B20210923. It has been classified as critical. This affects the function main of the file /cgi-bin/cstecgi.cgi?action=login of the component HTTP POST Request Handler. The manipulation of the argument v41 leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-249855. 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.249855>
- <https://vuldb.com/?ctiid.249855>
- <https://github.com/jylsec/vuldb/blob/main/TOTOLINK/T6/1/README.md>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2023-7221) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_