AWS: China-linked threat actors weaponized React2Shell hours after disclosure

Security Affairs

December 8, 2025 at 1:37 PM

Actively Exploited

Overview

AWS Security has reported that multiple China-linked threat actors began exploiting the React2Shell vulnerability (CVE-2025-55182) within hours of its disclosure. Although this flaw does not affect AWS services, the rapid exploitation highlights the urgency for organizations to address this vulnerability to prevent potential breaches.

Key Takeaways

Active Exploitation: This vulnerability is being actively exploited by attackers. Immediate action is recommended.
Affected Systems: CVE-2025-55182 (React2Shell) - Affects systems utilizing the React2Shell framework; specific products and vendors not detailed.
Action Required: Organizations should implement security patches for React2Shell as soon as they are available.
Timeline: Disclosed on [date not specified]

Original Article Summary

Multiple China-linked threat actors began exploiting the CVE-2025-55182, aka React2Shell flaw, within hours, AWS Security warns. Multiple China-linked threat actors began exploiting the CVE-2025-55182, also known as the React2Shell flaw, within hours, according to AWS Security. The researchers confirmed that this vulnerability doesn’t affect AWS services, however they opted to share threat intelligence data to […]

Impact

CVE-2025-55182 (React2Shell) - Affects systems utilizing the React2Shell framework; specific products and vendors not detailed.

Exploitation Status

This vulnerability is confirmed to be actively exploited by attackers in real-world attacks. Organizations should prioritize patching or implementing workarounds immediately.

Timeline

Disclosed on [date not specified]

Remediation

Organizations should implement security patches for React2Shell as soon as they are available. Regularly update and monitor systems for vulnerabilities, and apply best practices in security configurations to mitigate risks associated with this flaw.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to CVE, Vulnerability, Amazon.

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