title: MikroTik RouterOS Web Interface Heap Corruption
description: The web server used by MikroTik RouterOS version 6 is affected by a heap memory corruption issue. A remote and unauthenticated attacker can corrupt the server's heap memory by sending a crafted HTTP request. As a result, the web interface crashes and is immediately restarted. The issue was fixed in RouterOS 6.49.10 stable. RouterOS version 7 is not affected.
problem types: CWE-787 Out-of-bounds Write
affected:
{
defaultStatus: affected
platforms: [x86, ARM, PPC, MIPSBE]
product: RouterOS
vendor: MikroTik
versions:
status: unaffected, version: 6.49.10
status: affected, version: 6.49.9
status: affected, version: 6.48.8
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 7.5
baseSeverity: HIGH
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL