AnonSwap Neutralizes CVE-2025-55182 Within Hours — Zero Exposure, Full Resilience

12/6/2025 • 5 min read • by Kelvin Jones

AnonSwap Neutralizes CVE-2025-55182 Within Hours — Zero Exposure, Full Resilience

🧠 Executive Summary

• CVE-2025-55182, dubbed React2Shell, is a critical RCE vulnerability in React Server Components.
• It allows unauthenticated remote code execution via malformed HTTP payloads.
• AnonSwap deployed the recommended patch within hours of disclosure, ensuring zero exposure.
• All services remain fully operational, with no downtime, no data leakage, and no privacy compromise.

🔐 What Is CVE-2025-55182?

Disclosed on December 3, 2025, CVE-2025-55182 affects React versions 19.0 through 19.2.0.

• The flaw stems from unsafe deserialization in the RSC “Flight” protocol.
• Attackers can send crafted payloads to React Server Function endpoints and execute arbitrary code.
• Even apps not explicitly using Server Functions may be vulnerable if they support RSC.

The vulnerability received a CVSS score of 10.0, the highest possible severity.

⚡ AnonSwap’s Response: Speed, Precision, Resilience

• Our engineering team validated the advisory within minutes of publication.
• The patch was deployed across all affected services before exploit scanners went live.
• We confirmed no exposure, no anomalous traffic, and no exploit attempts.
• Our privacy-first infrastructure remained fully operational and secure throughout.

This response reflects our commitment to agility, auditability, and zero-compromise privacy.

🧭 What’s Next

• We continue to monitor for exploit attempts and downstream impacts.
• Our infrastructure now runs React 19.2.1, the latest patched release.
• We’ve updated our internal CVE response playbooks to reflect this cycle.
• Contributors are required to validate against patched RSC endpoints before merge.

✅ Trust the Rails

AnonSwap’s architecture is built for resilience:

• No centralized custody = no honeypots.
• No KYC = no identity leakage.
• No downtime = uninterrupted swaps across 1,500+ tokens.

We patch fast, verify deeply, and protect privacy without compromise.

Published December 6, 2025. Last updated December 6, 2025.