Hitachi Energy TropOS
Plan Patch8.8ICS-CERT ICSA-25-303-02Oct 30, 2025
Attack VectorNetwork
Auth RequiredLow
ComplexityLow
User InteractionNone needed
Summary
Hitachi Energy TropOS 4th Gen firmware versions 8.9.6.0 and earlier contain command injection and privilege escalation vulnerabilities (CWE-78, CWE-269). Successful exploitation allows an authenticated attacker to execute arbitrary commands and escalate privileges on affected devices.
What this means
What could happen
An attacker with network access and valid login credentials could execute arbitrary commands on TropOS 4th Gen firmware or escalate their privileges, potentially allowing them to alter power system settings, disable monitoring, or interfere with energy distribution operations.
Who's at risk
Energy utilities and manufacturing facilities operating Hitachi Energy TropOS 4th Gen firmware for power conversion, distribution automation, or SCADA integration should assess their exposure. This affects grid operators, substation automation systems, and industrial control networks that rely on TropOS for monitoring and control.
How it could be exploited
An attacker with valid engineering or administrative credentials on the network could inject shell commands through a vulnerable input field in the TropOS web interface or API, gaining command execution. From there, they could exploit privilege escalation flaws to run commands as root, gaining full control of the device.
Prerequisites
- Network access to TropOS device management interface (port 80/443 or similar)
- Valid user credentials (engineering workstation account or administrative login)
- TropOS firmware version 8.9.6.0 or earlier
Remotely exploitable over networkRequires valid credentials (authentication required)Low complexity exploitationHigh CVSS score (8.8)Privilege escalation possibleAffects power system operations
Exploitability
Low exploit probability (EPSS 0.7%)
Affected products (2)
2 with fix
ProductAffected VersionsFix Status
TropOS 4th Gen Firmware: <=8.9.6.0≤ 8.9.6.08.9.7.0
TropOS 4th Gen Firmware: <8.9.6.0<8.9.6.08.9.7.0
Remediation & Mitigation
0/5
Do now
0/1WORKAROUNDRestrict network access to TropOS management interface using firewall rules; allow only from authorized engineering workstations on a hardened engineering network
Schedule — requires maintenance window
0/2Patching may require device reboot — plan for process interruption
HOTFIXUpdate TropOS firmware to version 8.9.7.0 or later
HARDENINGEnforce strong password policies and access controls for TropOS user accounts
Long-term hardening
0/2HARDENINGSegment TropOS devices behind a firewall with no direct internet exposure; isolate from business network
HARDENINGDisable remote access to TropOS unless required; if needed, use VPN with multi-factor authentication
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API:
/api/v1/advisories/f6954d4f-a5b1-4e7b-b656-b17a35c81214