MikroTik RouterOS Missing Authentication for Critical Function Vulnerability

MikroTik RouterOS contains a missing authentication for critical function vulnerability which allows kernel memory disclosure and denial of service in the btest service...

CVE-2026-67277

RouterOS accepts a "related" btest connection before the corresponding primary session has completed authentication. An unauthenticated client can use this state to start an IPv4 UDP test. With "random-data=false", the sender transmits an uninitialized tail from a kernel packet buffer. A separate...

CVE-2026-67277

MikroTik RouterOS btest service is vulnerable to unauthenticated kernel memory disclosure and denial of service . An unauthenticated attacker can exploit a race condition where a "related" btest connection is accepted before primary session authentication completes, then start an IPv4 UDP test. W...

CVE-2026-67277 Kernel memory disclosure and denial of service in MikroTik RouterOS btest service

RouterOS accepts a "related" btest connection before the corresponding primary session has completed authentication. An unauthenticated client can use this state to start an IPv4 UDP test. With "random-data=false", the sender transmits an uninitialized tail from a kernel packet buffer. A separate...

CVE-2026-67277 Kernel memory disclosure and denial of service in MikroTik RouterOS btest service

RouterOS accepts a "related" btest connection before the corresponding primary session has completed authentication. An unauthenticated client can use this state to start an IPv4 UDP test. With "random-data=false", the sender transmits an uninitialized tail from a kernel packet buffer. A separate...

EUVD-2026-72025

RouterOS accepts a "related" btest connection before the corresponding primary session has completed authentication. An unauthenticated client can use this state to start an IPv4 UDP test. With "random-data=false", the sender transmits an uninitialized tail from a kernel packet buffer. A separate...

VulnCheck KEV: CVE-2026-67277

MikroTik RouterOS contains a missing authentication for critical function vulnerability which allows kernel memory disclosure and denial of service in the btest service...

PT-2026-86452

Name of the Vulnerable Software and Affected Versions RouterOS versions prior to 6.49.21 RouterOS versions prior to 7.23.4 RouterOS versions prior to 7.24.2 Description An unauthenticated client can initiate an IPv4 UDP test by exploiting a state where the system accepts a related btest connectio...

MikroTik RouterOs Reachable Assertion (CVE-2020-20214)

Mikrotik RouterOs 6.44.6 long-term tree suffers from an assertion failure vulnerability in the btest process. An authenticated remote attacker can cause a Denial of Service due to an assertion failure via a crafted packet. This plugin only works with Tenable.ot. Please visit...

CVE-2020-20214

Mikrotik RouterOs 6.44.6 long-term tree suffers from an assertion failure vulnerability in the btest process. An authenticated remote attacker can cause a Denial of Service due to an assertion failure via a crafted packet...

Spoofing

Mikrotik RouterOs 6.44.6 long-term tree suffers from an assertion failure vulnerability in the btest process. An authenticated remote attacker can cause a Denial of Service due to an assertion failure via a crafted packet...

CVE-2020-20214

Mikrotik RouterOs 6.44.6 long-term tree suffers from an assertion failure vulnerability in the btest process. An authenticated remote attacker can cause a Denial of Service due to an assertion failure via a crafted packet...

MikroTik RouterOS 安全漏洞

MikroTik RouterOS is a Linux-based router operating system developed by the Latvian company MikroTik. The system can be deployed in a PC to enable it to provide router functionality. MikroTik RouterOS suffers from an assertion failure vulnerability in the btest process. An authenticated, remote...