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RouterOS vulnerabilities: known CVEs & security history

MikroTik · Actively exploited · 87 tracked CVEs · 5 actively exploited · updated November 2026 · what is a CVE? →

This is the full list of known vulnerabilities (CVEs) across all RouterOS release lines — 87 in total, with 5 actively exploited in the wild. A CVE here doesn't mean your version is affected — check RouterOS's current status and the safe version to run.

87
known CVEs
5
actively exploited (KEV)
7
critical severity
0
ransomware-linked

Known RouterOS CVEs

Actively-exploited and most-severe first. Showing the top 80 of 87. Open any CVE for full details.

CVESeverityCVSSEPSSYear
CVE-2026-86060⚡ exploited critical 9.8 6% 2026
CVE-2018-7445⚡ exploited critical 9.8 66% 2018
CVE-2018-14847⚡ exploited critical 9.1 96% 2018
CVE-2026-67277⚡ exploited high 8.2 2% 2026
CVE-2026-67279⚡ exploited medium 6.5 2% 2026
CVE-2017-20149 critical 9.8 2% 2022
CVE-2022-34960 critical 9.8 2% 2022
CVE-2026-67278 critical 9.1 0% 2026
CVE-2023-30799 critical 9.1 1% 2023
CVE-2022-45313 high 8.8 2% 2022
CVE-2019-3976 high 8.8 2% 2019
CVE-2018-1156 high 8.8 7% 2018
CVE-2026-67276 high 8.1 9% 2026
CVE-2021-41987 high 8.1 16% 2022
CVE-2021-27221 high 8.1 4% 2021
CVE-2019-3943 high 8.1 4% 2019
CVE-2026-67281 high 7.5 1% 2026
CVE-2024-54952 high 7.5 1% 2025
CVE-2023-32154 high 7.5 1% 2024
CVE-2023-30800 high 7.5 2% 2023
CVE-2020-20021 high 7.5 1% 2023
CVE-2023-24094 high 7.5 1% 2023
CVE-2020-22845 high 7.5 1% 2022
CVE-2020-22844 high 7.5 1% 2022
CVE-2019-16160 high 7.5 3% 2020
CVE-2020-11881 high 7.5 4% 2020
CVE-2020-10364 high 7.5 3% 2020
CVE-2018-5951 high 7.5 4% 2020
CVE-2019-3979 high 7.5 1% 2019
CVE-2019-3978 high 7.5 10% 2019
CVE-2019-3977 high 7.5 1% 2019
CVE-2019-13074 high 7.5 2% 2019
CVE-2019-3924 high 7.5 16% 2019
CVE-2017-8338 high 7.5 4% 2017
CVE-2017-7285 high 7.5 19% 2017
CVE-2017-6444 high 7.5 13% 2017
CVE-2025-6443 high 7.2 1% 2025
CVE-2015-2350 medium 6.8 1% 2015
CVE-2022-36522 medium 6.5 1% 2022
CVE-2021-36614 medium 6.5 2% 2022
CVE-2021-36613 medium 6.5 2% 2022
CVE-2020-20262 medium 6.5 2% 2021
CVE-2020-20221 medium 6.5 3% 2021
CVE-2020-20219 medium 6.5 2% 2021
CVE-2020-20249 medium 6.5 2% 2021
CVE-2020-20248 medium 6.5 2% 2021
CVE-2020-20230 medium 6.5 2% 2021
CVE-2020-20231 medium 6.5 2% 2021
CVE-2020-20252 medium 6.5 2% 2021
CVE-2020-20250 medium 6.5 2% 2021
CVE-2020-20217 medium 6.5 2% 2021
CVE-2020-20225 medium 6.5 2% 2021
CVE-2020-20216 medium 6.5 2% 2021
CVE-2020-20215 medium 6.5 2% 2021
CVE-2020-20213 medium 6.5 2% 2021
CVE-2020-20212 medium 6.5 2% 2021
CVE-2020-20211 medium 6.5 3% 2021
CVE-2020-20266 medium 6.5 2% 2021
CVE-2020-20264 medium 6.5 2% 2021
CVE-2020-20246 medium 6.5 3% 2021
CVE-2020-20245 medium 6.5 3% 2021
CVE-2020-20227 medium 6.5 3% 2021
CVE-2020-20220 medium 6.5 3% 2021
CVE-2020-20237 medium 6.5 3% 2021
CVE-2020-20236 medium 6.5 3% 2021
CVE-2020-20222 medium 6.5 3% 2021
CVE-2020-20214 medium 6.5 3% 2021
CVE-2020-20254 medium 6.5 2% 2021
CVE-2020-20253 medium 6.5 2% 2021
CVE-2020-20267 medium 6.5 2% 2021
CVE-2020-20265 medium 6.5 2% 2021
CVE-2020-20247 medium 6.5 1% 2021
CVE-2020-20218 medium 6.5 2% 2021
CVE-2019-15055 medium 6.5 2% 2019
CVE-2019-13955 medium 6.5 4% 2019
CVE-2019-13954 medium 6.5 4% 2019
CVE-2018-1159 medium 6.5 2% 2018
CVE-2018-1158 medium 6.5 2% 2018
CVE-2018-1157 medium 6.5 4% 2018
CVE-2022-45315 medium 6.4 1% 2022

7 older / lower-severity CVEs not shown — see RouterOS's full record.

Is my RouterOS version affected?

The list above spans every release. To know whether your version is affected — and the minimum safe version to upgrade to — check it directly.

Check your RouterOS version → · Monitor RouterOS for new CVEs →

RouterOS vulnerabilities — frequently asked

How many known vulnerabilities does RouterOS have?

IsItPatched tracks 87 CVEs for RouterOS, 5 of which are actively exploited (CISA KEV). 7 are critical-severity and 29 high-severity. These span every release line — what matters is whether the version you run is affected.

Does RouterOS have any actively-exploited vulnerabilities?

Yes — 5 RouterOS CVEs are in CISA's Known Exploited Vulnerabilities catalog, meaning they are confirmed exploited in the wild. Patch these as a priority.

What is the most severe RouterOS vulnerability?

Among tracked issues, CVE-2026-86060 (CRITICAL, CVSS 9.8), which is actively exploited, ranks highest — a CWE-88 weakness.

Is RouterOS safe to use?

It depends on the version. The latest supported RouterOS release (7.25) clears the known issues; older versions may still be affected. Check the exact version you run for a verdict.

CVE data aggregated from NVD, CISA KEV and EPSS (FIRST.org). Related: RouterOS security status · RouterOS end-of-life · actively-exploited CVEs. Always verify against MikroTik's advisories — see our disclaimer.