Denial of service in MikroTik RouterOS - CVE-2018-1157
Published: August 25, 2018
Vulnerability identifier: #VU14525
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-1157
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to an error when processing requests within the HTTP server. A remote authenticated attacker can send specially crafted requests to the affected device and crash the HTTP server or reload the router.
Affected software
MikroTik RouterOS
How to mitigate CVE-2018-1157
Install updates from vendor's website.
MikroTik RouterOS - addressed in versions 6.40.9, 6.42.7