Firewall
Marquis blames ransomware breach on SonicWall cloud backup hack
Marquis Software Solutions, a Texas-based financial services provider, is blaming a ransomware attack that impacted its systems and affected dozens of U.S. banks and credit unions in August 2025 on a security breach reported by SonicWall a month later. The software company provides data analytics, compliance reporting, CRM tools, and digital marketing services to more […]
Hackers breach Fortinet FortiGate devices, steal firewall configs
Fortinet FortiGate devices are being targeted in automated attacks that create rogue accounts and steal firewall configuration data, according to cybersecurity company Arctic Wolf. The campaign started last week, on January 15, with the attackers exploiting an unknown vulnerability in the devices’ single sign-on (SSO) feature to create accounts with VPN access and exporting firewall configurations […]
Fortinet admins report patched FortiGate firewalls getting hacked
Fortinet customers are seeing attackers exploiting a patch bypass for a previously fixed critical FortiGate authentication vulnerability (CVE-2025-59718) to hack patched firewalls. Until Fortinet provides a fully patched FortiOS release, admins are advised to temporarily disable the vulnerable FortiCloud login feature (if enabled) to secure their systems against attacks. To disable FortiCloud login, you have […]
Palo Alto Networks warns of DoS bug letting hackers disable firewalls
Palo Alto Networks patched a high-severity vulnerability that could allow unauthenticated attackers to disable firewall protections in denial-of-service (DoS) attacks. Tracked as CVE-2026-0227, this security flaw affects next-generation firewalls (running PAN-OS 10.1 or later) and Palo Alto Networks’ Prisma Access configurations when the GlobalProtect gateway or portal is enabled. The cybersecurity company says that most […]
Over 10K Fortinet firewalls exposed to actively exploited 2FA bypass
Over 10,000 Fortinet firewalls are still exposed online and vulnerable to ongoing attacks exploiting a five-year-old critical two-factor authentication (2FA) bypass vulnerability. Fortinet released FortiOS versions 6.4.1, 6.2.4, and 6.0.10 in July 2020 to address this flaw (tracked as CVE-2020-12812) and advised admins who couldn’t immediately patch to turn off username-case-sensitivity to block 2FA bypass attempts […]
Fortinet warns of 5-year-old FortiOS 2FA bypass still exploited in attacks
Fortinet has warned customers that threat actors are still actively exploiting a critical FortiOS vulnerability that allows them to bypass two-factor authentication (2FA) when targeting vulnerable FortiGate firewalls. Tracked as CVE-2020-12812, this improper authentication security flaw was found in FortiGate SSL VPN and enables attackers to log in to unpatched firewalls without being prompted for the […]
Critical RCE flaw impacts over 115,000 WatchGuard firewalls
Over 115,000 WatchGuard Firebox devices exposed online remain unpatched against a critical remote code execution (RCE) vulnerability actively exploited in attacks. The security flaw, tracked as CVE-2025-14733, affects Firebox firewalls running Fireware OS 11.x and later (including 11.12.4_Update1), 12.x or later (including 12.11.5), and 2025.1 up to and including 2025.1.3. Successful exploitation enables unauthenticated attackers to […]
New critical WatchGuard Firebox firewall flaw exploited in attacks
WatchGuard has warned customers to patch a critical, actively exploited remote code execution (RCE) vulnerability in its Firebox firewalls. Tracked as CVE-2025-14733, this security flaw affects firewalls running Fireware OS 11.x and later (including 11.12.4_Update1), 12.x or later (including 12.11.5), and 2025.1 up to and including 2025.1.3. The vulnerability is due to an out-of-bounds write weakness that enables […]
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 […]
CISA warns of WatchGuard firewall flaw exploited in attacks
The U.S. Cybersecurity & Infrastructure Security Agency (CISA) has warned government agencies to patch an actively exploited vulnerability impacting WatchGuard Firebox firewalls. Remote attackers can use this critical security flaw (CVE-2025-9242) to execute malicious code remotely on vulnerable devices by exploiting an out-of-bounds write weakness in firewalls running Fireware OS 11.x (end of life), 12.x, and 2025.1. […]