SSL
New SonicWall SonicOS flaw allows hackers to crash firewalls
American cybersecurity company SonicWall urged customers today to patch a high-severity SonicOS SSLVPN security flaw that can allow attackers to crash vulnerable firewalls. Tracked as CVE-2025-40601, this denial-of-service vulnerability is caused by a stack-based buffer overflow impacting Gen8 and Gen7 (hardware and virtual) firewalls. “A Stack-based buffer overflow vulnerability in the SonicOS SSLVPN service allows a […]
SonicWall SMA devices hacked with OVERSTEP rootkit tied to ransomware
A threat actor has been deploying a previously unseen malware called OVERSTEP that modifies the boot process of fully-patched but no longer supported SonicWall Secure Mobile Access appliances. The backdoor is a user-mode rootkit that allows hackers to hide malicious components, maintain persistent access on the device, and steal sensitive credentials. Researchers at Google Threat […]
SSL/TLS certificate lifespans reduced to 47 days by 2029
The CA/Browser Forum has voted to significantly reduce the lifespan of SSL/TLS certificates over the next 4 years, with a final lifespan of just 47 days starting in 2029. The CA/Browser Forum is a group of certificate authorities (CAs) and software vendors, including browser developers, working together to establish and maintain security standards for digital certificates used […]