CVE-2025-3659

Improper authentication handling for Digi PortServer TS; Digi One SP, SP IA, IA; Digi One IAP

Description

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.

Category

9.4
CVSS
Severity: Critical
CVSS 4.0 •
EPSS 0.08%
Vendor Advisory digi.com
Affected: Digi International Digi PortServer TS
Affected: Digi International Digi One SP/Digi One SP IA/Digi One IA
Affected: Digi International Digi One IAP
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2025-3659?
CVE-2025-3659 has been scored as a critical severity vulnerability.
How to fix CVE-2025-3659?
To fix CVE-2025-3659, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-3659 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-3659 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-3659?
CVE-2025-3659 affects Digi International Digi PortServer TS, Digi International Digi One SP/Digi One SP IA/Digi One IA, Digi International Digi One IAP.
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