Mikrotik: Security Vulnerabilities
Mikrotik RouterOS VXLAN Source IP Improper Access Control Vulnerability. This vulnerability allows remote attackers to bypass access restrictions on affected installations of Mikrotik RouterOS. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the handling of remote IP addresses when processing VXLAN traffic. The issue results from the lack of validation of the remote IP address against configured values prior to allowing ingress traffic into the internal network. An attacker can leverage this vulnerability to gain access to internal network resources. Was ZDI-CAN-26415.
CVSS Score
7.2
EPSS Score
0.005
Published
2025-06-25
MikroTik RouterOS 6.40.5, the SMB service contains a memory corruption vulnerability. Remote, unauthenticated attackers can exploit this issue by sending specially crafted packets, triggering a null pointer dereference. This leads to a Remote Denial of Service (DoS), rendering the SMB service unavailable.
CVSS Score
7.5
EPSS Score
0.001
Published
2025-05-29
An issue was discovered in the Winbox service of MikroTik RouterOS long-term release v6.43.13 through v6.49.13 and stable v6.43 through v7.17.2. A patch is available in the stable release v6.49.18. A discrepancy in response size between connection attempts made with a valid username and those with an invalid username allows attackers to enumerate for valid accounts.
CVSS Score
5.4
EPSS Score
0.024
Published
2025-02-11
Mikrotik RouterOS RADVD Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Mikrotik RouterOS. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the Router Advertisement Daemon. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of root.
. Was ZDI-CAN-19797.
CVSS Score
7.5
EPSS Score
0.022
Published
2024-05-03
MikroTik RouterOS v7.1 to 7.11 was discovered to contain incorrect access control mechanisms in place for the Rest API.
CVSS Score
5.3
EPSS Score
0.001
Published
2023-11-14
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.
CVSS Score
7.5
EPSS Score
0.014
Published
2023-09-07
MikroTik RouterOS stable before 6.49.7 and long-term through 6.48.6 are vulnerable to a privilege escalation issue. A remote and authenticated attacker can escalate privileges from admin to super-admin on the Winbox or HTTP interface. The attacker can abuse this vulnerability to execute arbitrary code on the system.
CVSS Score
9.1
EPSS Score
0.001
Published
2023-07-19
An issue discovered in MikroTik Router v6.46.3 and earlier allows attacker to cause denial of service via misconfiguration in the SSH daemon.
CVSS Score
7.5
EPSS Score
0.001
Published
2023-07-12
An issue in the bridge2 component of MikroTik RouterOS v6.40.5 allows attackers to cause a Denial of Service (DoS) via crafted packets.
CVSS Score
7.5
EPSS Score
0.0
Published
2023-03-27
Mikrotik RouterOs before stable v7.6 was discovered to contain an out-of-bounds read in the snmp process. This vulnerability allows attackers to execute arbitrary code via a crafted packet.
CVSS Score
9.8
EPSS Score
0.004
Published
2022-12-05
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