by Kastro
Paper/Archive/CVE-2025-3659

CVE-2025-3659

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

EPSS 0.3%CVSS 9.4
critical.is priorityof 100
33
CVSS 9.4 (CNA)9.4 / 10 × 3028.2Not in CISA KEV+300.0EPSS percentile 25.1.251 × 205.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Digi PortServer TS≤ 82000747_AA–CNA
Digi One SP/Digi One SP IA/Digi One IA≤ 82000774_Z–CNA
Digi One IAP≤ 82000770 Z–CNA

Scores by source

Digi (CNA)9.4CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:L
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

patchhub.digi.com/support/products/infrastructure-management/digi-portserver-tspatchhub.digi.com/support/products/infrastructure-management/digi-one-sp-iapatchhub.digi.com/support/products/infrastructure-management/digi-one-iap-hazadvisorydigi.com/getattachment/Resources/Security/Alerts/Improper-authentication-handling-for-Digi-PortServ/improper-authentication-handling.pdf