Exploitation of critical vulnerability in react server components

Intel Name: Exploitation of critical vulnerability in react server components

Date of Scan: December 9, 2025

Impact: High

Summary:
A critical React Server Components vulnerability, CVE-2025-55182, allows unauthenticated remote code execution and has already been exploited in the wild. Attackers have conducted automated scanning, reconnaissance, credential theft, and deployed malicious scripts, droppers, and reverse shells, including activity linked to a PRC-associated access broker. With nearly a million exposed React and Next.js instances, the risk is severe, prompting urgent patching and the use of layered defensive controls to mitigate post-exploitation threats.

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