---
cve: "CVE-2026-82555"
severity: "MEDIUM"
cvss: 6.3
epss: "5.7%"
vendor: "Totolink"
kev: false
exploited: false
published: "2026-08-30 18:17:00"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-02T10:25:51+02:00"
---

# CVE-2026-82555

> 6.3 MEDIUM · 🧪 PoC

## Beschreibung

A vulnerability has been found in TOTOLINK N600R 4.3.0cu.7866_B20220506. This vulnerability affects the function loginAuth of the file /web_cste/cgi-bin/cstecgi.cgi of the component Authentication Handler. Such manipulation leads to insufficiently random values. It is possible to launch the attack remotely. This attack is characterized by high complexity. It is stated that the exploitability is difficult. The exploit has been disclosed to the public and may be used.

## CVSS-Vektor

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

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

## Referenzen

- <https://vuldb.com/vuln/397071>
- <https://vuldb.com/vuln/397071/cti>
- <https://vuldb.com/cve/CVE-2026-82555>
- <https://vuldb.com/submit/891698>
- <https://github.com/b1uerry/cves/tree/main/TOTOLINK/N600R/TOTOLINK_N600R_predictable-token>
- <https://github.com/b1uerry/cves/blob/main/TOTOLINK/N600R/TOTOLINK_N600R_predictable-token/poc.py>
- <https://www.totolink.net/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-82555) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_