CVE-2025-3659 json
Improper authentication handling for Digi PortServer TS; Digi One SP, SP IA, IA; Digi One IAP
published 2025-05-12 17 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-14274
- cvss
- 9.4
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 25%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 17 mo ago
Exploit prediction
0.32% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 9.4 | 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 |
| CNA | 4.0 | 9.4 | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- Digi International Digi PortServer TS
- Digi International Digi One SP/Digi One SP IA/Digi One IA
- Digi International Digi One IAP
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
hub.digi.com
/support/products/infrastructure-management/digi-portserver-ts/
patch
-
hub.digi.com
/support/products/infrastructure-management/digi-one-sp-ia/
patch
-
hub.digi.com
/support/products/infrastructure-management/digi-one-iap-haz/
patch
-
digi.com
/getattachment/Resources/Security/Alerts/Improper-authentication-handling-for-Digi-PortServ/improper-authentic
vendor-advisory
Sources
- CVE List CVE-2025-3659
- NVD CVE-2025-3659
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.