---
cve: "CVE-2026-5677"
severity: "MEDIUM"
cvss: 6.9
epss: "1.3%"
vendor: "Totolink"
kev: false
exploited: false
published: "2026-04-06 19:16:30"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-24T06:06:28+02:00"
---

# CVE-2026-5677

> 6.9 MEDIUM · 🧪 PoC

## Beschreibung

A security flaw has been discovered in Totolink A7100RU 7.4cu.2313_b20191024. Impacted is the function CsteSystem of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument resetFlags results in os command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
```

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

## Referenzen

- <https://vuldb.com/vuln/355504>
- <https://vuldb.com/vuln/355504/cti>
- <https://vuldb.com/submit/792606>
- <https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_184/README.md>
- <https://www.totolink.net/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-5677) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_