---
cve: "CVE-2026-86296"
severity: "CRITICAL"
cvss: 10.0
epss: "57.9%"
vendor: "Generic Security"
kev: false
exploited: false
published: "2026-09-07 11:17:39"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-07T16:47:09+02:00"
---

# CVE-2026-86296

> 10.0 CRITICAL

## Beschreibung

A vulnerability was determined in D-Link DIR-822A A_101. This vulnerability affects the function strcpy of the file udhcpcd/serverpacket.c of the component udhcpcd. This manipulation causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/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 | Verändert | bad |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Referenzen

- <https://tzh00203.notion.site/D-Link-DIR-822A-Stack-Overflow-in-udhcpd-TR-111-Option-125-Parsing-33cb5c52018a80238b80e89e7c7c68f0>
- <https://vuldb.com/cve/CVE-2026-86296>
- <https://vuldb.com/submit/906297>
- <https://vuldb.com/vuln/399458>
- <https://vuldb.com/vuln/399458/cti>
- <https://www.dlink.com/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-86296) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_