CVE-2018-1157 json
Mikrotik RouterOS before 6.42.7 and 6.40.9 is vulnerable to a memory exhaustion vulnerability.
published 8y ago modified 4mo ago also EUVD-2018-11795
- cvss
- 6.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.4%
- EPSS 4.4% chance of exploitation in 30 days, percentile 91%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- mikrotik routeros 6.40.9, 6.42.7
Is CVE-2018-1157 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
4.38% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- tenable.com https://www.tenable.com/security/research/tra-2018-21 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.5 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:L/Au:S/C:N/I:N/A:C |
Classification
- Weakness
-
- CWE-400 Uncontrolled Resource Consumption
References
-
tenable.com
/security/research/tra-2018-21
exploit, third-party-advisory
-
mikrotik.com
/download/changelogs
vendor-advisory
-
mikrotik.com
/download/changelogs/bugfix-release-tree
vendor-advisory
-
seclists.org
/fulldisclosure/2019/Jul/20
mailing-list
Sources
- CVE List CVE-2018-1157
- NVD CVE-2018-1157
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.