RouterOS
CISA warns of critical pre-auth RCE flaw in MikroTik RouterOS
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is warning of a new critical vulnerability in MikroTik RouterOS that could lead to remote code execution or cause a denial-of-service condition. Tracked as CVE-2026-84411, the security issue is a pre-authentication integer underflow in RouterOS’s web-management HTTP request handling. CISA says that a single crafted request can […]
Hackers exploit new MikroTik RouterOS flaws to hijack routers
Hackers are exploiting a chain of two recently disclosed vulnerabilities in MikroTik routers to take control of devices with SSH services exposed to the internet. One of the security issues, tracked as CVE-2026-67276, is an SSH authentication bypass flaw in MikroTik RouterOS caused by incomplete validation of RSA public keys. An attacker who knows a […]