Tag Archives: firewalls

Nation-state hackers exploit Cisco firewall 0-days to backdoor government networks

reader comments 16 Hackers backed by a powerful nation-state have been exploiting two zero-day vulnerabilities in Cisco firewalls in a five-month-long campaign that breaks into government networks around the world, researchers reported Wednesday. The attacks against Cisco’s Adaptive Security Appliances firewalls are the latest in a rash of network compromises that target firewalls, VPNs, and… Read More »

Researchers tell owners to “assume compromise” of unpatched Zyxel firewalls

Getty Images reader comments 5 with Firewalls made by Zyxel are being wrangled into a destructive botnet, which is taking control of them by exploiting a recently patched vulnerability with a severity rating of 9.8 out of a possible 10. “At this stage if you have a vulnerable device exposed, assume compromise,” officials from Shadowserver,… Read More »

Zyxel silently patches command injection vulnerability with 9.8 severity rating

reader comments 7 with 6 posters participating, including story author Share this story Hardware manufacturer Zyxel quietly released an update fixing a critical vulnerability that gives hackers the ability to control tens of thousands of firewall devices remotely. The vulnerability, which allows remote command injection with no authentication required, carries a severity rating of 9.8… Read More »

Zyxel patches critical vulnerability that can allow Firewall and VPN hijacks

reader comments 5 with 5 posters participating Share this story Hardware manufacturer Zyxel has issued patches for a highly critical security flaw that gives malicious hackers the ability to take control of a wide range of firewalls and VPN products the company sells to businesses. The flaw is an authentication bypass vulnerability that stems from… Read More »

Hackers are exploiting a backdoor built into Zyxel devices. Are you patched?

reader comments 60 with 40 posters participating Share this story Hackers are attempting to exploit a recently discovered backdoor built into multiple Zyxel device models that hundreds of thousands of individuals and businesses use as VPNs, firewalls, and wireless access points. The backdoor comes in the form of an undocumented user account with full administrative… Read More »

Apple lets some Big Sur network traffic bypass firewalls

Patrick Wardle reader comments 94 with 70 posters participating Share this story Firewalls aren’t just for corporate networks. Large numbers of security- or privacy-conscious people also use them to filter or redirect traffic flowing in and out of their computers. Apple recently made a major change to macOS that frustrates these efforts. Beginning with macOS… Read More »