Stop CVE-2025-24054 Before It Steals Your Passwords
- Anup Ghosh
- Apr 22
- 1 min read
The Download
CVE-2025-24054 is an actively exploited vulnerability that allows attackers to steal NTLM hashes—or worse, plaintext credentials—simply by tricking users into opening a malicious archive file. For business owners, MSPs, and IT operators, this poses a major threat to internal systems because NTLM hashes can be cracked offline or used in pass-the-hash attacks to access other networked systems. Once compromised, attackers can pivot laterally across the environment, escalate privileges, and exfiltrate sensitive data—sometimes without tripping alarms.
What You Can Do
To mitigate this risk, IT admins should immediately review and restrict the handling of archive files in email gateways and endpoints. Implement robust email filtering solutions that scan for suspicious attachments and block known-bad file types. Disable automatic rendering of SMB links and consider disabling NTLM where possible—especially in mixed environments where Kerberos is available. Train end-users on phishing awareness, particularly around unusual archive files, and continuously monitor for authentication anomalies that may indicate credential misuse.
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