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Date: Sun, 10 May 2020 10:41:32 +0800
From: Q C <>
Subject: [FD]  Two vulnerabilities found in MikroTik's RouterOS

Advisory: two vulnerabilities found in MikroTik's RouterOS


Product: MikroTik's RouterOS
Affected Versions: until stable 6.45.7 (first vulnerability), until stable
6.46.4 (second vulnerability)
Fixed Versions: stable 6.46.x (first vulnerability), stable 6.46.5 (second
Vendor URL:
Vendor Status: fixed version released
CVE: -
Credit: Qian Chen(@cq674350529) of Qihoo 360 Nirvan Team

Product Description

RouterOS is the operating system used on the MikroTik's devices, such as
switch, router and access point.

Description of vulnerabilities

These two vulnerabilities were tested only against the MikroTik RouterOS
stable release tree when found. Maybe other release trees also suffer from
these vulnerabilities.

1. The cerm process suffers from an uncontrolled resource consumption
issue. By sending a crafted packet, an authenticated remote user can cause
a high cpu load, which may make the device respond slowly or unable to

2. The traceroute process suffers from a memory corruption issue. By
sending a crafted packet, an authenticated remote user can crash the
traceroute process due to invalid memory access.


Upgrade to the corresponding latest RouterOS tree version.



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