PeerBlight Linux Backdoor Exploits React2Shell CVE-2025-55182
Huntress is seeing threat actors exploit React2Shell (CVE-2025-55182) to deploy a Linux backdoor, a reverse proxy tunnel, and a Go-based post-exploitation implant.
Sources
Vulnerabilities
Why this score
| Signal | Points |
|---|---|
| kev added | 50 |
| kev short fuse — 7 days to remediate | 15 |
| kev ransomware | 10 |
| public poc — 458 repositories | 20 |