---
cve: "CVE-2026-11499"
severity: "CRITICAL"
cvss: 9.3
epss: "6.6%"
vendor: "Tenda"
kev: false
exploited: false
published: "2026-06-08 09:16:29"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-10-09T17:03:01+02:00"
---

# CVE-2026-11499

> 9.3 CRITICAL · 🧪 PoC

## Beschreibung

A vulnerability was determined in Tenda HG7, HG9 and HG10 300001138_en_xpon. This affects the function formDOMAINBLK of the file /boaform/formDOMAINBLK. Executing a manipulation of the argument blkDomain can lead to stack-based buffer overflow. The attack may be performed from remote.

## CNA-Record (Kanon, cvelistV5)

- CNA: **VulDB**
- State: PUBLISHED
- Stand: 2026-10-02 03:48:57
- CNA-CVSS: **9.3** (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X`)

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **yes**
  - Technical Impact: **total**

## CVSS-Vektor

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

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

## Referenzen

- <https://vuldb.com/vuln/369119>
- <https://vuldb.com/vuln/369119/cti>
- <https://vuldb.com/cve/CVE-2026-11499>
- <https://vuldb.com/submit/834888>
- <https://vuldb.com/submit/888875>
- <https://github.com/ssaaaa1234/Tenda-HG10-formDOMAINBLK-stack-overflow-2>
- <https://www.tenda.com.cn/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2026-11499/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_