Digi International PortServer TS, Digi One SP IA

View CSAF Summary Successful exploitation of these vulnerabilities could allow an attacker to bypass authentication and gain access to restricted resources, obtain credentials, and inject malicious scripts. The following versions of Digi International PortServer TS, Digi One SP IA are affected: PortServer TS Digi One SP Digi One SP IA Digi One IA CVSS Vendor Equipment Vulnerabilities v3 5.9 Digi International Digi International PortServer TS, Digi One SP IA Incorrect Authorization, Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Background Critical Infrastructure Sectors: Critical Manufacturing, Communications, Information Technology, Transportation Systems Countries/Areas Deployed: Worldwide Company Headquarters Location: United States Vulnerabilities Expand All + CVE-2026-12352 The vulnerability allows an unauthenticated actor to bypass authentication and gain access to restricted resources on the device. View CVE Details Affected Products Digi International PortServer TS, Digi One SP IA Vendor: Digi International Product Version: Digi International PortServer TS: <Firmware_2025, Digi International Digi One SP: <Firmware_2025, Digi International Digi One SP IA: <Firmware_2025, Digi International Digi One IA: <Firmware_2025 Product Status: known_affected Remediations Mitigation Digi International recommends users upgrade to Digi Connect EZ or Digi Connect EZ TS as a long term solution. If users are not able to upgrade at this time, the following actions should be taken: Vendor fix For Digi PortServer TS: Enable HTTPS on the web server. Mitigation Alternatively, disable the web server when it is not actively being used for configuration. Mitigation Compensating control: If you cannot apply the HTTPS configuration, restrict access via firewall or VPN. Vendor fix For Digi One SP / Digi One SP IA / Digi One IA: Disable the web server. If you cannot apply the HTTPS configuration, restrict access via firewall or VPN. Mitigation The following deployment practices are the recommended means of reducing exposure: Deploy the device on a trusted network segment, not exposed to untrusted or public networks. Mitigation Place the device behind a firewall or VPN and restrict access to the web management interface to trusted administrative hosts only. Mitigation Safeguard administrator credentials, since exploitation requires authenticated administrator access to write the affected fields. Mitigation For assistance users should contact Digi International's support team https://www.digi.com/support. https://www.digi.com/support Relevant CWE: CWE-863 Incorrect Authorization Metrics CVSS Version Base Score Base Severity Vector String 3.1 5.9 MEDIUM CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N 4.0 8.2 HIGH CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CVE-2026-12948 A stored cross-site scripting (XSS) vulnerability in the web management interface of the Digi PortServer TS, Digi One SP, Digi One SP IA, and Digi One IA allows a remote, authenticated administrator to inject script into certain system configuration fields. The script subsequently executes in the browser of a user who views the affected pages. View CVE Details Affected Products Digi International PortServer TS, Digi One SP IA Vendor: Digi International Product Version: Digi International PortServer TS: <Firmware_2025, Digi International Digi One SP: <Firmware_2025, Digi International Digi One SP IA: <Firmware_2025, Digi International Digi One IA: <Firmware_2025 Product Status: known_affected Remediations Mitigation Digi International recommends users upgrade to Digi Connect EZ or Digi Connect EZ TS as a long term solution. If users are not able to upgrade at this time, the following actions should be taken: Vendor fix For Digi PortServer TS: Enable HTTPS on the web server. Mitigation Alternatively, disable the web server when it is not actively being used for configuration. Mitigation Compensating control: If you cannot apply the