RO
Product
RouterOS
by Mikrotik · last CVE Oct 21, 2026
On CISA KEVExploited in the wild
101
CVEs
5
On KEV
9.8
Max CVSS
4
New 30D
Severity mix
Critical 8High 37Medium 52Low 1
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-67277
In wildKEV
8.2
2%
Sep 5
Kernel memory disclosure and denial of service in MikroTik RouterOS btest service
Affected: 7.24 before 7.24.2; 7.0.0 before 7.23.4; 6.0.0 before 6.49.21
CVE-2026-103903
8.8
0%
Oct 12
MikroTik RouterOS WinBox split-principal authentication bypass allows privilege escalation
Affected: 7.0.0 before 7.24.5
CVE-2026-16347
8.8
0%
Jul 28
Improper restriction of excessive authentication attempts in MikroTik RouterOS and Cloud Hosted Router
Affected: All versions
CVE-2022-45313
8.8
2%
Dec 5
Mikrotik RouterOs before stable v7.5 was discovered to contain an out-of-bounds read in the hotspot process
Affected: before 7.5
CVE-2019-3976
8.8
2%
Oct 29
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
Affected: through 6.44.5; through 6.45.6
CVE-2018-1156
8.8
7%
Aug 23
Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to stack buffer overflow through the license upgrade interface
Affected: before 6.40.9; before 6.42.7
CVE-2026-67276
8.1
9%
Sep 5
SSH user impersonation possible in Mikrotik RouterOS
Affected: 7.24 before 7.24.2; 7.9 before 7.23.4
CVE-2021-41987
8.1
16%
Mar 16
In the SCEP Server of RouterOS in certain Mikrotik products, an attacker can trigger a heap-based buffer overflow that leads to remote code execution
Affected: 6.46.8; 6.47.9; 6.47.10
CVE-2021-27221
8.1
4%
Mar 19
MikroTik RouterOS 6.47.9 allows remote authenticated ftp users to create or overwrite arbitrary .rsc files via the /export command
Affected: 6.47.9
CVE-2019-3943
8.1
4%
Apr 10
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…
Affected: through 6.42.12; through 6.43.12; 6.41; 6.41; 6.41; 6.41; +34 more
CVE-2018-10066
8.1
1%
Apr 13
An issue was discovered in MikroTik RouterOS 6.41.4
Affected: 6.41.4
CVE-2026-93345
7.5
0%
Sep 22
MikroTik RouterOS < 7.25beta4 Improper Input Validation DoS via BGP Labelled-VPN NLRI
Affected: through 7.24.2
CVE-2026-89028
7.5
1%
Sep 16
MikroTik RouterOS < 7.24 Heap Corruption via SMB1 SessionSetupAndX
Affected: through 6.49.18; 7.0.0 through 7.11.2
CVE-2026-67281
7.5
1%
Sep 5
Unauthenticated file read in Mikrotik RouterOS
Affected: 7.24 before 7.24.2; 7.20 before 7.23.4
CVE-2024-54952
7.5
1%
May 29
MikroTik RouterOS 6.40.5, the SMB service contains a memory corruption vulnerability
Affected: 6.40.5
CVE-2023-32154
7.5
1%
May 3
Mikrotik RouterOS RADVD Out-Of-Bounds Write Remote Code Execution Vulnerability
Affected: before 6.48.7
CVE-2023-30800
7.5
2%
Sep 7
The web server used by MikroTik RouterOS version 6 is affected by a heap memory corruption issue
Affected: 6.0 before 6.49.10
CVE-2020-20021
7.5
1%
Jul 12
An issue discovered in MikroTik Router v6.46.3 and earlier allows attacker to cause denial of service via misconfiguration in the SSH daemon
Affected: through 6.46.3
CVE-2023-24094
7.5
1%
Mar 27
An issue in the bridge2 component of MikroTik RouterOS v6.40.5 allows attackers to cause a Denial of Service (DoS) via crafted packets
Affected: 6.40.5
CVE-2020-22845
7.5
1%
Feb 28
A buffer overflow in Mikrotik RouterOS 6.47 allows unauthenticated attackers to cause a denial of service (DOS) via crafted FTP requests
Affected: 6.47
CVE-2020-22844
7.5
1%
Feb 28
A buffer overflow in Mikrotik RouterOS 6.47 allows unauthenticated attackers to cause a denial of service (DOS) via crafted SMB requests
Affected: 6.47
CVE-2019-16160
7.5
3%
Oct 7
An integer underflow in the SMB server of MikroTik RouterOS before 6.45.5 allows remote unauthenticated attackers to crash the service
Affected: before 6.45.5
CVE-2020-11881
7.5
4%
Sep 14
An array index error in MikroTik RouterOS 6.41.3 through 6.46.5, and 7.x through 7.0 Beta5, allows an unauthenticated remote attacker to crash the SMB server via modified…
Affected: 6.41.3 through 6.46.5; 7.0; 7.0; 7.0
CVE-2020-10364
7.5
3%
Mar 23
The SSH daemon on MikroTik routers through v6.44.3 could allow remote attackers to generate CPU activity, trigger refusal of new authorized connections, and cause a reboot via…
Affected: through 6.44.3
CVE-2018-5951
7.5
4%
Mar 2
An issue was discovered in Mikrotik RouterOS
Affected: All versions, or not specified
CVE-2019-3979
7.5
1%
Oct 29
RouterOS versions 6.45.6 Stable, 6.44.5 Long-term, and below are vulnerable to a DNS unrelated data attack
Affected: through 6.44.5; through 6.45.6
CVE-2019-3978
7.5
10%
Oct 29
RouterOS versions 6.45.6 Stable, 6.44.5 Long-term, and below allow remote unauthenticated attackers to trigger DNS queries via port 8291
Affected: through 6.44.5; through 6.45.6
CVE-2019-3977
7.5
1%
Oct 29
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
Affected: through 6.44.5; through 6.45.6
CVE-2019-13074
7.5
2%
Jul 3
A vulnerability in the FTP daemon on MikroTik routers through 6.44.3 could allow remote attackers to exhaust all available memory, causing the device to reboot because of…
Affected: through 6.44.3
CVE-2019-3924
7.5
16%
Feb 20
MikroTik RouterOS before 6.43.12 (stable) and 6.42.12 (long-term) is vulnerable to an intermediary vulnerability
Affected: before 6.42.12; before 6.43.12
CVE-2017-8338
7.5
4%
May 18
A vulnerability in MikroTik Version 6.38.5 could allow an unauthenticated remote attacker to exhaust all available CPU via a flood of UDP packets on port 500 (used for L2TP over…
Affected: 6.38.5
CVE-2017-7285
7.5
19%
Mar 29
A vulnerability in the network stack of MikroTik Version 6.38.5 released 2017-03-09 could allow an unauthenticated remote attacker to exhaust all available CPU via a flood of TCP…
Affected: 6.38.5
CVE-2017-6444
7.5
13%
Mar 12
The MikroTik Router hAP Lite 6.25 has no protection mechanism for unsolicited TCP ACK packets in the case of a fast network connection, which allows remote attackers to cause a…
Affected: 6.25
CVE-2026-89035
New
7.4
0%
Oct 21
MikroTik RouterOS 7.24.5 WebFig Session Token Replay Authentication Bypass
Affected: through 7.23.6; 7.24.0 through 7.24.5
CVE-2026-7668
7.3
0%
May 2
MikroTik RouterOS SCEP Endpoint scep.p ASN1_STRING_data out-of-bounds
Affected: 6.49.8
CVE-2025-6443
7.2
1%
Jun 25
Mikrotik RouterOS VXLAN Source IP Improper Access Control Vulnerability
Affected: before 7.20
CVE-2023-30799
7.2
1%
Jul 19
MikroTik RouterOS stable before 6.49.7 and long-term through 6.48.6 are vulnerable to a privilege escalation issue
Affected: through 6.48.7; 6.34 before 6.49.7
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