UpHeron
All vulnerabilities

Servers and applications

CVE-2018-1159

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.

Severity
Medium 6.5
Published
23 Aug 2018
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
6.40.9, 6.42.7
Exploit chance
2.5% in the next 30 daysHigher than 84% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
MikroTik RouterOSServers and applications · cpe:o:mikrotik:routeros
  • Every version before 6.40.9
  • Every version before 6.42.7

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-1159
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-1159