---
cve: "CVE-2026-76590"
severity: "CRITICAL"
cvss: 9.4
epss: "61%"
vendor: "TRENDnet"
kev: false
exploited: false
published: "2026-08-19 22:17:27"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-03T02:55:22+02:00"
---

# CVE-2026-76590

> 9.4 CRITICAL · 🧪 PoC

## Beschreibung

A vulnerability was identified in TRENDnet TEW-755AP up to 20260702. Affected by this issue is some unknown functionality of the file /cgi-bin/wan.cgi of the component ssi. Such manipulation of the argument cameo.wan.wan_pppoe_password_00 leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.

## CVSS-Vektor

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

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

## Referenzen

- <https://vuldb.com/vuln/393087>
- <https://vuldb.com/vuln/393087/cti>
- <https://vuldb.com/cve/CVE-2026-76590>
- <https://vuldb.com/submit/877850>
- <https://github.com/meishigana/CVE/tree/main/team15_20260702/15_755ap-ssi-bof>
- <https://github.com/meishigana/CVE/blob/main/team15_20260702/15_755ap-ssi-bof/poc/poc-ssi-overflow.py>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-76590) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_