Medium severity · published Aug 23, 2018
CVE-2018-1158
Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to a stack exhaustion vulnerability
6.5
CVSS
2.5%
EPSS
No
On KEV
Description
Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to a stack exhaustion vulnerability. An authenticated remote attacker can crash the HTTP server via recursive parsing of JSON.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.5% · higher than 85% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RO
Routeros · Mikrotik
before 6.40.9; before 6.42.7 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-1158
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-1158
seclists.org
http://seclists.org/fulldisclosure/2019/Jul/20
Vendor Advisory
https://mikrotik.com/download/changelogs
Vendor Advisory
https://mikrotik.com/download/changelogs/bugfix-release-tree
Exploit
https://www.tenable.com/security/research/tra-2018-21
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