CVE-2017-8338: mikrotik routeros Uncontrolled Resource Consumption
Vulnerability summary
CVE-2017-8338 is a high (CVSS 7.8) Uncontrolled Resource Consumption vulnerability in mikrotik routeros. EPSS estimates a 4.21% chance of exploitation in the next 30 days, higher than 90.9% of scored vulnerabilities. 4 public exploits are recorded.
Timeline
- 18-05-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A vulnerability in MikroTik Version 6.38.5 could allow an unauthenticated remote attacker to exhaust all available CPU via a flood of UDP packets on port 500 (used for L2TP over IPsec), preventing the affected router from accepting new connections; all devices will be disconnected from the router and all logs removed automatically.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
4.21%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
0.00 pp
From 4.21% on 22-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
4 foundExploit Reference (cxsecurity.com)
Maturity: unknown
Exploit Reference (vulnerability-lab.com)
Maturity: unknown
Exploit Reference (seclists.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Mikrotik1 product
- routerosEOL6.38.5
1 vendor · 1 product
References
4 links- packetstormsecurity.com/files/142538/MikroTik-RouterBoard-6.38.5-Denial-Of-Service.htmlX Refsource MISCExploitThird Party Advisory