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CISA Issues Critical Alert: Nine Industrial Control Systems (ICS) Vulnerabilities Disclosed

On August 28, 2025, CISA released nine Industrial Control Systems (ICS) advisories highlighting critical vulnerabilities in systems from Mitsubishi Electric, Schneider Electric, Delta Electronics, GE Vernova, and Hitachi Energy. Learn about the affected systems, potential risks, and mitigation strategies.

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By Vitus White
4 min read
CISA Issues Critical Alert: Nine Industrial Control Systems (ICS) Vulnerabilities Disclosed

TL;DR

The Cybersecurity and Infrastructure Security Agency (CISA) released nine Industrial Control Systems (ICS) advisories on August 28, 2025, addressing critical vulnerabilities in systems from Mitsubishi Electric, Schneider Electric, Delta Electronics, GE Vernova, and Hitachi Energy. These advisories provide essential details on security risks, affected products, and mitigation measures to protect industrial infrastructure from potential exploits. Organizations are urged to review and apply the recommended fixes immediately.

Introduction

Industrial Control Systems (ICS) form the backbone of critical infrastructure, including energy grids, manufacturing plants, and transportation networks. On August 28, 2025, the Cybersecurity and Infrastructure Security Agency (CISA) issued nine ICS advisories to address newly discovered vulnerabilities in widely used systems. These vulnerabilities, if exploited, could lead to operational disruptions, data breaches, or even physical damage to industrial environments.

This article provides an overview of the affected systems, the potential risks, and the mitigation strategies recommended by CISA.

Key Vulnerabilities and Affected Systems

CISA’s advisories highlight vulnerabilities in products from five major vendors. Below is a breakdown of the affected systems and their associated risks:

1. Mitsubishi Electric

Mitsubishi Electric, a global leader in industrial automation, has multiple products affected by vulnerabilities:

These vulnerabilities could allow unauthorized access, denial-of-service (DoS) attacks, or remote code execution, posing significant risks to industrial operations.

2. Schneider Electric

Schneider Electric’s Saitel DR and Saitel DP Remote Terminal Units (RTUs) are affected by vulnerabilities detailed in ICSA-25-240-035. Exploitation of these vulnerabilities could lead to unauthorized control of RTUs, potentially disrupting critical infrastructure operations.

3. Delta Electronics

Delta Electronics, a key player in industrial automation, has vulnerabilities in the following products:

These vulnerabilities may enable arbitrary code execution or system crashes, compromising the integrity of industrial processes.

4. GE Vernova

GE Vernova’s CIMPLICITY software, widely used for supervisory control and data acquisition (SCADA), is affected by vulnerabilities outlined in ICSA-25-240-068. Exploitation could result in unauthorized access or manipulation of SCADA systems, leading to operational disruptions.

5. Hitachi Energy

Hitachi Energy’s Relion 670/650 and SAM600-IO series are impacted by vulnerabilities detailed in ICSA-25-184-01 (Update A)9. These vulnerabilities could allow unauthorized control of protective relays, posing risks to power grid stability.

Why These Vulnerabilities Matter

Industrial Control Systems (ICS) are critical to the safety, reliability, and efficiency of industrial operations. Vulnerabilities in these systems can have far-reaching consequences, including:

  • Operational disruptions leading to downtime and financial losses.
  • Safety hazards for workers and the public.
  • Data breaches exposing sensitive information.
  • Physical damage to infrastructure.

Given the increasing sophistication of cyber threats, addressing these vulnerabilities is essential to safeguarding industrial environments.

Mitigation Strategies

CISA strongly recommends that users and administrators take the following steps to mitigate risks:

  1. Review the Advisories: Carefully examine the details provided in each advisory to understand the specific risks and affected products.
  2. Apply Patches: Install the latest updates and patches provided by vendors to address vulnerabilities.
  3. Implement Network Segmentation: Isolate ICS networks from corporate and external networks to limit exposure.
  4. Enforce Access Controls: Restrict access to ICS systems to authorized personnel only.
  5. Monitor for Suspicious Activity: Deploy intrusion detection systems (IDS) to identify and respond to potential threats.
  6. Conduct Regular Audits: Perform security assessments to identify and address vulnerabilities proactively.

For detailed guidance, refer to CISA’s ICS Advisories page.

Conclusion

The release of these nine ICS advisories by CISA underscores the ongoing challenges in securing industrial control systems. As cyber threats continue to evolve, organizations must prioritize cybersecurity to protect critical infrastructure from potential exploits.

By reviewing the advisories, applying patches, and implementing robust security measures, businesses can mitigate risks and ensure the resilience of their industrial operations. Stay informed and proactive to safeguard against emerging threats in the industrial landscape.

Additional Resources

For further insights, check:

References

  1. “ICSA-25-240-01: Mitsubishi Electric MELSEC iQ-F Series CPU Module”. (2025). CISA. Retrieved 2025-08-28. Link ↩︎

  2. “ICSA-25-240-02: Mitsubishi Electric MELSEC iQ-F Series CPU Module”. (2025). CISA. Retrieved 2025-08-28. Link ↩︎

  3. “ICSA-24-135-04: Mitsubishi Electric Multiple FA Engineering Software Products (Update D)”. (2025). CISA. Retrieved 2025-08-28. Link ↩︎

  4. “ICSA-25-140-04: Mitsubishi Electric Iconics Digital Solutions and Mitsubishi Electric Products (Update B)”. (2025). CISA. Retrieved 2025-08-28. Link ↩︎

  5. “ICSA-25-240-03: Schneider Electric Saitel DR & Saitel DP Remote Terminal Unit”. (2025). CISA. Retrieved 2025-08-28. Link ↩︎

  6. “ICSA-25-240-04: Delta Electronics CNCSoft-G2”. (2025). CISA. Retrieved 2025-08-28. Link ↩︎

  7. “ICSA-25-240-05: Delta Electronics COMMGR”. (2025). CISA. Retrieved 2025-08-28. Link ↩︎

  8. “ICSA-25-240-06: GE Vernova CIMPLICITY”. (2025). CISA. Retrieved 2025-08-28. Link ↩︎

  9. “ICSA-25-184-01: Hitachi Energy Relion 670/650 and SAM600-IO series (Update A)”. (2025). CISA. Retrieved 2025-08-28. Link ↩︎

Cybersecurity, Vulnerabilities
industrial control systems cybersecurity vulnerabilities threat-intelligence
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