Hacktivist Groups in Central Asia Exploit Unpatched Zero-Day Vulnerabilities

Introduction

In early 2026, hacktivist groups in Central Asia have been observed actively exploiting unpatched zero-day vulnerabilities to advance their cyber operations. These groups, including Cyber Army of Russia Reborn (CARR), Z-Pentest, NoName057(16), and Sector16, have targeted critical infrastructure sectors such as water and wastewater systems, food and agriculture, and energy. (ics-cert.kaspersky.com)

Zero-Day Vulnerabilities and Exploitation

Zero-day vulnerabilities are software flaws that are unknown to the vendor and have no available patch, making them highly valuable for cyber attackers. In 2025, a total of 90 zero-day vulnerabilities were exploited in the wild, with nearly half targeting enterprise-grade technologies. (cybersecuritydive.com) Hacktivist groups have increasingly weaponized these vulnerabilities to disrupt operations and cause damage to targeted organizations.

Exploit Broker Transactions

Exploit brokers act as intermediaries between vulnerability discoverers and buyers, facilitating the sale of zero-day exploits. In February 2026, the U.S. government sanctioned Russian exploit broker Matrix LLC, operating as "Operation Zero," for acquiring and reselling zero-day exploits. (scworld.com) While the primary focus was on state-sponsored actors, the existence of such brokers indicates a thriving market for zero-day exploits, which hacktivist groups may access through various means.

Impact on Central Asia

The exploitation of zero-day vulnerabilities by hacktivist groups in Central Asia poses a medium-level threat to regional cybersecurity. Targeted sectors, including water and wastewater systems, food and agriculture, and energy, are critical to national security and public safety. The use of unpatched zero-day vulnerabilities allows these groups to bypass traditional security measures, increasing the potential for significant operational disruptions.

Recommendations

Organizations in Central Asia should take proactive measures to mitigate the risks associated with zero-day vulnerabilities:

• Regular Vulnerability Assessments: Conduct frequent security audits to identify and address potential vulnerabilities.

• Patch Management: Implement a robust patch management process to ensure timely application of security updates.

• Incident Response Planning: Develop and regularly update incident response plans to quickly address potential security breaches.

Conclusion

The increasing use of unpatched zero-day vulnerabilities by hacktivist groups in Central Asia underscores the evolving nature of cyber threats in the region. By understanding these tactics and implementing comprehensive security measures, organizations can better defend against such attacks and protect critical infrastructure.