A buffer overflow was found in the MikroTik RouterOS SMB service when processing NetBIOS session request messages. Remote attackers with access to the service can exploit this vulnerability and gain code execution on the system. The overflow occurs before authentication takes place, so it is possible for an unauthenticated remote attacker to exploit it. All architectures and all devices running RouterOS before versions 6.41.3/6.42rc27 are vulnerable.
Published 2018-03-19 21:29:01
Updated 2018-04-24 14:53:44
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Overflow

CVE-2018-7445 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:
MikroTik RouterOS Stack-Based Buffer Overflow Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
In MikroTik RouterOS, a stack-based buffer overflow occurs when processing NetBIOS session request messages. Remote attackers with access to the service can exploit this vulnerability and gain code execution on the system.
Notes:
https://www.coresecurity.com/core-labs/advisories/mikrotik-routeros-smb-buffer-overflow#vendor_update, https://mikrotik.com/download
Added on 2022-09-08 Action due date 2022-09-29

Exploit prediction scoring system (EPSS) score for CVE-2018-7445

88.07%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 99 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-7445

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
10.0
HIGH AV:N/AC:L/Au:N/C:C/I:C/A:C
10.0
10.0
NIST
9.8
CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
NIST

CWE ids for CVE-2018-7445

References for CVE-2018-7445

Products affected by CVE-2018-7445

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