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.
CVE-2018-1159
MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence
Score 6.5 from GitHub Security Advisory published 2022-05-14. NVD baseline CVSS 6.5; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 2%CVSS: 6.5Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.5
- EG Score
- 6.5(medium)
- EPSS
- 82.7%
- KEV
- Not listed
Published
August 23, 2018
Last Modified
November 21, 2024
References (6)
- vulnreport@tenablehttps://mikrotik.com/download/changelogs
- vulnreport@tenablehttps://mikrotik.com/download/changelogs/bugfix-release-tree
- vulnreport@tenablehttps://www.tenable.com/security/research/tra-2018-21
- af854a3a-2127-422b-91ae-364da2661108https://mikrotik.com/download/changelogs
- af854a3a-2127-422b-91ae-364da2661108https://mikrotik.com/download/changelogs/bugfix-release-tree
- af854a3a-2127-422b-91ae-364da2661108https://www.tenable.com/security/research/tra-2018-21
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Frequently asked(5)
What is CVE-2018-1159?
CVE-2018-1159 is a medium vulnerability published on August 23, 2018. 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.
When was CVE-2018-1159 disclosed?
CVE-2018-1159 was first published in the National Vulnerability Database on August 23, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-1159 actively exploited?
CVE-2018-1159 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 82.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-1159?
CVE-2018-1159 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2018-1159?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-1159, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2018-1159
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