VulnerabilityModified
CVE-2018-1157
Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to a memory exhaustion vulnerability.
MEDIUM 6.5EPSS 4.38%
Does this matter?
Lower severity and a low EPSS score (4.38%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.0
- 6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 4.38% probability · 91th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- mikrotik/routeros
- Source
- vulnreport@tenable.com
EPSS 4.4% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://seclists.org/fulldisclosure/2019/Jul/20
- https://mikrotik.com/download/changelogsVendor Advisory
- https://mikrotik.com/download/changelogs/bugfix-release-treeVendor Advisory
- https://www.tenable.com/security/research/tra-2018-21Exploit, Third Party Advisory
- http://seclists.org/fulldisclosure/2019/Jul/20
- https://mikrotik.com/download/changelogsVendor Advisory
- https://mikrotik.com/download/changelogs/bugfix-release-treeVendor Advisory
- https://www.tenable.com/security/research/tra-2018-21Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.