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Vuln ID Summary CVSS Severity
CVE-2018-5951

An issue was discovered in Mikrotik RouterOS. Crafting a packet that has a size of 1 byte and sending it to an IPv6 address of a RouterOS box with IP Protocol 97 will cause RouterOS to reboot imminently. All versions of RouterOS that supports EoIPv6 are vulnerable to this attack.

Published: March 02, 2020; 5:15:12 PM -0500
V3.1: 7.5 HIGH
V2.0: 7.1 HIGH
CVE-2019-3979

RouterOS versions 6.45.6 Stable, 6.44.5 Long-term, and below are vulnerable to a DNS unrelated data attack. The router adds all A records to its DNS cache even when the records are unrelated to the domain that was queried. Therefore, a remote attacker controlled DNS server can poison the router's DNS cache via malicious responses with additional and untrue records.

Published: October 29, 2019; 3:15:20 PM -0400
V3.1: 7.5 HIGH
V2.0: 5.0 MEDIUM
CVE-2019-3978

RouterOS versions 6.45.6 Stable, 6.44.5 Long-term, and below allow remote unauthenticated attackers to trigger DNS queries via port 8291. The queries are sent from the router to a server of the attacker's choice. The DNS responses are cached by the router, potentially resulting in cache poisoning

Published: October 29, 2019; 3:15:20 PM -0400
V3.1: 7.5 HIGH
V2.0: 5.0 MEDIUM
CVE-2019-3977

RouterOS 6.45.6 Stable, RouterOS 6.44.5 Long-term, and below insufficiently validate where upgrade packages are download from when using the autoupgrade feature. Therefore, a remote attacker can trick the router into "upgrading" to an older version of RouterOS and possibly reseting all the system's usernames and passwords.

Published: October 29, 2019; 3:15:20 PM -0400
V3.1: 7.5 HIGH
V2.0: 8.5 HIGH
CVE-2019-3976

RouterOS 6.45.6 Stable, RouterOS 6.44.5 Long-term, and below are vulnerable to an arbitrary directory creation vulnerability via the upgrade package's name field. If an authenticated user installs a malicious package then a directory could be created and the developer shell could be enabled.

Published: October 29, 2019; 3:15:20 PM -0400
V3.1: 8.8 HIGH
V2.0: 6.5 MEDIUM
CVE-2019-15055

MikroTik RouterOS through 6.44.5 and 6.45.x through 6.45.3 improperly handles the disk name, which allows authenticated users to delete arbitrary files. Attackers can exploit this vulnerability to reset credential storage, which allows them access to the management interface as an administrator without authentication.

Published: August 26, 2019; 5:15:11 PM -0400
V3.0: 6.5 MEDIUM
V2.0: 5.5 MEDIUM
CVE-2019-13955

Mikrotik RouterOS before 6.44.5 (long-term release tree) is vulnerable to stack exhaustion. By sending a crafted HTTP request, an authenticated remote attacker can crash the HTTP server via recursive parsing of JSON. Malicious code cannot be injected.

Published: July 26, 2019; 9:15:12 AM -0400
V3.0: 6.5 MEDIUM
V2.0: 4.0 MEDIUM
CVE-2019-13954

Mikrotik RouterOS before 6.44.5 (long-term release tree) is vulnerable to memory exhaustion. By sending a crafted HTTP request, an authenticated remote attacker can crash the HTTP server and in some circumstances reboot the system. Malicious code cannot be injected.

Published: July 26, 2019; 9:15:12 AM -0400
V3.0: 6.5 MEDIUM
V2.0: 6.8 MEDIUM
CVE-2019-3943

MikroTik RouterOS versions Stable 6.43.12 and below, Long-term 6.42.12 and below, and Testing 6.44beta75 and below are vulnerable to an authenticated, remote directory traversal via the HTTP or Winbox interfaces. An authenticated, remote attack can use this vulnerability to read and write files outside of the sandbox directory (/rw/disk).

Published: April 10, 2019; 5:29:01 PM -0400
V3.1: 8.1 HIGH
V2.0: 7.5 HIGH
CVE-2019-3924

MikroTik RouterOS before 6.43.12 (stable) and 6.42.12 (long-term) is vulnerable to an intermediary vulnerability. The software will execute user defined network requests to both WAN and LAN clients. A remote unauthenticated attacker can use this vulnerability to bypass the router's firewall or for general network scanning activities.

Published: February 20, 2019; 3:29:03 PM -0500
V3.0: 7.5 HIGH
V2.0: 5.0 MEDIUM
CVE-2018-1159

Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to a memory corruption vulnerability. An authenticated remote attacker can crash the HTTP server by rapidly authenticating and disconnecting.

Published: August 23, 2018; 3:29:00 PM -0400
V3.0: 6.5 MEDIUM
V2.0: 4.0 MEDIUM
CVE-2018-1158

Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to a stack exhaustion vulnerability. An authenticated remote attacker can crash the HTTP server via recursive parsing of JSON.

Published: August 23, 2018; 3:29:00 PM -0400
V3.0: 6.5 MEDIUM
V2.0: 4.0 MEDIUM
CVE-2018-1157

Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to a memory exhaustion vulnerability. An authenticated remote attacker can crash the HTTP server and in some circumstances reboot the system via a crafted HTTP POST request.

Published: August 23, 2018; 3:29:00 PM -0400
V3.0: 6.5 MEDIUM
V2.0: 6.8 MEDIUM
CVE-2018-1156

Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to stack buffer overflow through the license upgrade interface. This vulnerability could theoretically allow a remote authenticated attacker execute arbitrary code on the system.

Published: August 23, 2018; 3:29:00 PM -0400
V3.0: 8.8 HIGH
V2.0: 9.0 HIGH
CVE-2018-14847

MikroTik RouterOS through 6.42 allows unauthenticated remote attackers to read arbitrary files and remote authenticated attackers to write arbitrary files due to a directory traversal vulnerability in the WinBox interface.

Published: August 02, 2018; 3:29:00 AM -0400
V3.0: 9.1 CRITICAL
V2.0: 6.4 MEDIUM
CVE-2018-10066

An issue was discovered in MikroTik RouterOS 6.41.4. Missing OpenVPN server certificate verification allows a remote unauthenticated attacker capable of intercepting client traffic to act as a malicious OpenVPN server. This may allow the attacker to gain access to the client's internal network (for example, at site-to-site tunnels).

Published: April 13, 2018; 9:29:00 AM -0400
V3.0: 8.1 HIGH
V2.0: 6.8 MEDIUM
CVE-2018-7445

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: March 19, 2018; 5:29:01 PM -0400
V3.0: 9.8 CRITICAL
V2.0: 10.0 HIGH
CVE-2017-6297

The L2TP Client in MikroTik RouterOS versions 6.83.3 and 6.37.4 does not enable IPsec encryption after a reboot, which allows man-in-the-middle attackers to view transmitted data unencrypted and gain access to networks on the L2TP server by monitoring the packets for the transmitted data and obtaining the L2TP secret.

Published: February 27, 2017; 2:59:00 AM -0500
V3.0: 5.9 MEDIUM
V2.0: 4.3 MEDIUM
CVE-2015-2350

Cross-site request forgery (CSRF) vulnerability in MikroTik RouterOS 5.0 and earlier allows remote attackers to hijack the authentication of administrators for requests that change the administrator password via a request in the status page to /cfg.

Published: March 19, 2015; 10:59:02 AM -0400
V3.x:(not available)
V2.0: 6.8 MEDIUM
CVE-2012-6050

The winbox service in MikroTik RouterOS 5.15 and earlier allows remote attackers to cause a denial of service (CPU consumption), read the router version, and possibly have other impacts via a request to download the router's DLLs or plugins, as demonstrated by roteros.dll.

Published: November 26, 2012; 11:49:26 PM -0500
V3.x:(not available)
V2.0: 6.4 MEDIUM