Routers are network gateways whose flaws, misconfigurations, or exposed interfaces can enable unauthorized access, interception, or service disruption.
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Background for this topic.
Routers are network devices that forward packets between separate networks, using destination addresses to choose a path. A home router usually connects a local network to the internet and may also provide wireless access, address assignment, network address translation, firewall rules, VPN termination, or DNS forwarding. Enterprise routers can connect internal segments, data centers, and remote sites.
In security, a router is both a traffic-control point and an attack surface. Vulnerable firmware, exposed administrative services, weak credentials, or unnecessary remote management can let an attacker alter routing, redirect traffic, or use the device to reach other systems; misconfigured rules can expose internal services. Reduce risk by keeping firmware supported and updated, restricting management to trusted networks, using strong unique authentication, disabling unneeded services, separating networks, and reviewing logs and configurations. During an incident, router configuration and routing or DNS changes can provide useful evidence, while tested backups help restore trusted connectivity.
At least Switchzilla thinks they're salvageable, unlike the boxes it ordered binned back in June Cisco has revealed four of its small business router ranges have critical flaws – for the second time in 2022 alone.…
Researchers at Trellix have discovered a critical unauthenticated remote code execution (RCE) vulnerability impacting 29 models of the DrayTek Vigor series of business routers. [...]
As many as 29 different router models from DrayTek have been identified as affected by a new critical, unauthenticated, remote code execution vulnerability that, if successfully exploited, could lead to full compromise of the device and unauthorized access to the broader network
Cisco on Wednesday rolled out patches to address eight security vulnerabilities, three of which could be weaponized by an unauthenticated attacker to gain remote code execution (RCE) or cause a denial-of-service (DoS) condition on affected devices
SMBs should patch CVE-2022-32548 now to avoid a host of horrors, including complete network compromise, ransomware, state-sponsored attacks, and more.
Cisco has fixed critical security vulnerabilities affecting Small Business VPN routers and enabling unauthenticated, remote attackers to execute arbitrary code or commands and trigger denial of service (DoS) conditions on vulnerable devices. [...]