OTPulse

Hitachi Energy TropOS Devices Series 1400/2400/6400

Act NowCVSS 5.3ICS-CERT ICSA-24-352-02Dec 17, 2024
Hitachi EnergyEnergy
Attack path
Attack VectorNetwork
Auth RequiredNone
ComplexityLow
User InteractionNone needed
Summary

A denial-of-service vulnerability in Hitachi Energy TropOS series 1400/2400/6400 devices (all versions prior to 8.9.6) results from improper input validation (CWE-20). An attacker can send crafted input to cause the affected device to stop responding, disrupting routing or edge node operations. This affects TropOS core routers and edge nodes deployed in energy sector SCADA and grid communication networks.

What this means
What could happen
An attacker on the network could trigger a denial-of-service condition on TropOS devices, potentially disrupting network routing and communication between grid control systems and field equipment.
Who's at risk
Hitachi Energy TropOS core routers and edge nodes (series 1400, 2400, and 6400) used in electric utility networks for grid communication and control are affected. Energy sector operators relying on these devices for SCADA network routing and edge data acquisition should prioritize this vulnerability.
How it could be exploited
An attacker with network access to a TropOS device (port and protocol to be determined from advisory context, likely via management interface or edge device traffic) can send crafted input that bypasses input validation (CWE-20), causing the device to crash or become unresponsive. This disrupts the device's routing or edge node functions.
Prerequisites
  • Network access to the affected TropOS device
  • TropOS device running firmware version prior to 8.9.6
  • Device directly or indirectly reachable from an attacker-controlled network segment
remotely exploitableno authentication requiredlow complexityhigh EPSS score (92.1%)affects network infrastructure critical to grid operations
Exploitability
Likely to be exploited — EPSS score 92.1%
Metasploit module available — weaponized exploitView module ↗
Public Proof-of-Concept (PoC) on GitHub (6 repositories)
Affected products (1)
ProductAffected VersionsFix Status
TropOS devices series 1400/2400/6400: <8.9.6<8.9.68.9.6
Remediation & Mitigation
0/4
Do now
0/1
WORKAROUNDImplement firewall rules to restrict network access to TropOS devices, allowing only necessary management and operational traffic from trusted sources
Schedule — requires maintenance window
0/1

Patching may require device reboot — plan for process interruption

HOTFIXUpdate TropOS devices to firmware version 8.9.6 or later
Long-term hardening
0/2
HARDENINGIsolate TropOS devices from direct Internet connectivity and business networks using network segmentation
HARDENINGDisable unnecessary ports and management interfaces on TropOS devices, ensuring only required operational traffic is permitted
View full CISA ICS-CERT advisory
API: /api/v1/advisories/ec0ff605-f33b-4438-8a40-4af5923f3962

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