CVE-2025-34012 (Early Advisory): Critical RCE in “FlexiFile” MFT — File-Upload Abuse Enables Initial Access By CyberDudeBivash | Cybersecurity, AI & Threat Intelligence Network
Verification Status Claim: CVE-2025-34012 — Critical RCE in “FlexiFile” MFT ≤ current versions; CVSS 9.1; upload component abused for initial access. Public records today: I could not locate any CVE.org/NVD entry or vendor advisory publicly referencing “CVE-2025-34012” or “FlexiFile (MFT)” . Therefore, this post is published as an early advisory based on your brief and on recent, well-documented MFT exploitation trends (MOVEit/GoAnywhere/Cleo) to help teams take prudent, class-based mitigations now . I will cite those trend sources throughout for context. CVE +1 Why still act? Managed File Transfer products have been a high-value target for mass exploitation (MOVEit 2023; recurring GoAnywhere issues in 2025). If your organization runs any MFT exposed to the internet, you should assume rapid weaponization and implement the controls below immediately. Optiv +5 Google Cloud +5 Rapid7 +5 Executive Snapshot (one screen) What this means: An attacker can l...