Critical severity · published May 12, 2025
CVE-2025-3659
Improper authentication handling for Digi PortServer TS; Digi One SP, SP IA, IA; Digi One IAP
9.4
CVSS
0.3%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 25% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DO
Digi One IAP · Digi International
through 82000770 Z · source: vendor
DO
Digi One SP/Digi One SP IA/Digi One IA · Digi International
through 82000774_Z · source: vendor
DP
Digi PortServer TS · Digi International
through 82000747_AA · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-3659
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-3659
hub.digi.com
https://hub.digi.com/support/products/infrastructure-management/digi-one-iap-haz/
hub.digi.com
https://hub.digi.com/support/products/infrastructure-management/digi-one-sp-ia/
hub.digi.com
https://hub.digi.com/support/products/infrastructure-management/digi-portserver-ts/
www.digi.com
https://www.digi.com/getattachment/Resources/Security/Alerts/Improper-authentication-handling-for-Digi-PortServ/improper-authentication-handling.pdf
