---
cve: "CVE-2025-3659"
severity: "CRITICAL"
cvss: 9.4
epss: "0.3%"
vendor: "Digi International"
kev: false
exploited: false
published: "2025-05-12 21:15:46"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-10-09T23:27:43+02:00"
---

# CVE-2025-3659

> 9.4 CRITICAL

## Beschreibung

Improper authentication handling was identified in a set of HTTP POST requests affecting the following product families: 

  *  Digi PortServer TS - prior to and including 82000747_AA, build date 06/17/2022


  *  Digi One SP/Digi One SP IA/Digi One IA - prior to and including 82000774_Z, build date 10/19/2020


  *  Digi One IAP – prior to and including 82000770 Z, build date 10/19/2020




A specially crafted POST request to the device’s web interface may allow an unauthenticated attacker to modify configuration settings.

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **no**
  - Technical Impact: **total**

## CVSS-Vektor

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

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

## Referenzen

- <https://hub.digi.com/support/products/infrastructure-management/digi-portserver-ts/>
- <https://hub.digi.com/support/products/infrastructure-management/digi-one-sp-ia/>
- <https://hub.digi.com/support/products/infrastructure-management/digi-one-iap-haz/>
- <https://www.digi.com/getattachment/Resources/Security/Alerts/Improper-authentication-handling-for-Digi-PortServ/improper-authentication-handling.pdf>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2025-3659/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_