---
cve: "CVE-2026-9031"
severity: "MEDIUM"
cvss: 6.8
epss: "16%"
vendor: "TP-Link Systems Inc."
kev: false
exploited: false
published: "2026-08-07 21:17:30"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-11T12:20:29+02:00"
---

# CVE-2026-9031

> 6.8 MEDIUM

## Beschreibung

An input validation
vulnerability exists in the HTTP-WRITEOEM handler due to insufficient validation
of user-supplied data before it is processed by internal flash-write handling
logic.









Successful
exploitation may cause httpd process or device to crash, resulting in loss of access
to the web interface and a denial-of-service condition.

## CVSS-Vektor

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

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

## Referenzen

- <https://www.tp-link.com/us/support/download/archer-a6/v4/#Firmware>
- <https://www.tp-link.com/en/support/download/archer-a6/v4/#Firmware>
- <https://www.tp-link.com/en/support/faq/5234/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-9031) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_