MikroTik RouterOS before 6.43.12 (stable) and 6.42.12 (long-term) is vulnerable to an intermediary vulnerability
Published Feb 20, 2019
7.5
HIGHCVSS 3.1
EPSS 15.70%
Description
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.
Affected products
-
- Version RouterOS long-term 6.42.11 and below, RouterOS stable 6.43.11 and belowStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Tenable | MikroTik RouterOS | n/a |
|
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2021-2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (30 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 15.70% (0.15697) | 96.76th | v5 (v2026.06.15) |
| Jun 15, 2026 | 15.70% (0.15697) | 96.43th | v5 (v2026.06.15) |
| Nov 21, 2025 | 11.34% (0.11343) | 93.26th | v4 (v2025.03.14) |
| Nov 18, 2025 | 36.37% (0.36374) | 96.91th | v4 (v2025.03.14) |
| Oct 27, 2025 | 10.57% (0.10567) | 92.94th | v4 (v2025.03.14) |
| Aug 16, 2025 | 12.22% (0.12217) | 93.57th | v4 (v2025.03.14) |
| Apr 6, 2025 | 13.73% (0.13729) | 93.68th | v4 (v2025.03.14) |
| Mar 30, 2025 | 42.45% (0.42448) | 97.19th | v4 (v2025.03.14) |
| Mar 29, 2025 | 56.36% (0.56356) | 97.26th | v4 (v2025.03.14) |
| Mar 20, 2025 | 42.45% (0.42448) | 97.21th | v4 (v2025.03.14) |
| Mar 17, 2025 | 13.73% (0.13729) | 93.75th | v4 (v2025.03.14) |
| Dec 17, 2024 | 7.67% (0.07674) | 94.15th | v3 (v2023.03.01) |
| Jul 5, 2024 | 4.61% (0.04605) | 92.62th | v3 (v2023.03.01) |
| May 23, 2024 | 5.29% (0.05294) | 93.06th | v3 (v2023.03.01) |
| Mar 12, 2024 | 5.92% (0.05923) | 93.26th | v3 (v2023.03.01) |
| Feb 24, 2024 | 5.39% (0.05390) | 92.88th | v3 (v2023.03.01) |
| Feb 8, 2024 | 10.12% (0.10118) | 94.74th | v3 (v2023.03.01) |
| Jan 30, 2024 | 10.47% (0.10470) | 94.49th | v3 (v2023.03.01) |
| Jan 12, 2024 | 8.41% (0.08410) | 93.80th | v3 (v2023.03.01) |
| Dec 11, 2023 | 12.46% (0.12458) | 94.87th | v3 (v2023.03.01) |
| Oct 18, 2023 | 11.39% (0.11385) | 94.58th | v3 (v2023.03.01) |
| Apr 17, 2023 | 11.10% (0.11098) | 94.27th | v3 (v2023.03.01) |
| Mar 7, 2023 | 11.48% (0.11483) | 94.30th | v3 (v2023.03.01) |
| Mar 6, 2023 | 8.38% (0.08382) | 93.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 8.38% (0.08382) | 93.35th | v2 (v2022.01.01) |
| Feb 4, 2022 | 29.47% (0.29468) | 96.22th | v2 (v2022.01.01) |
| Feb 3, 2022 | 4.53% (0.04526) | 76.76th | v1 |
| Jan 6, 2022 | 4.53% (0.04526) | 76.54th | v1 |
| Sep 1, 2021 | 4.53% (0.04526) | 84.50th | v1 |
| Apr 14, 2021 | 4.53% (0.04526) | 0.00th | v1 |
References (3)
- http://www.securityfocus.com/bid/107177 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://www.exploit-db.com/exploits/46444/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
- https://www.tenable.com/security/research/tra-2019-07 x_refsource_MISCExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/107177 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://www.exploit-db.com/exploits/46444/ | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry | |
| https://www.tenable.com/security/research/tra-2019-07 | x_refsource_MISCExploitThird Party Advisory |
Change history (0)
No recorded changes yet.