PEERSTITCH Malware Deployed via FortiOS Flaw Bypasses Checks on Tagged VPN Sessions

Source: The Hacker News

A suspected advanced threat actor has been observed exploiting a security flaw in Fortinet FortiOS to deliver a previously unreported memory-resident ARM64 malware known as PEERSTITCH.

The attack involves the exploitation of CVE-2025-61624 (CVSS score: 5.4), a path traversal flaw in the command lin