CVE-2017-8338

moderate-risk
Published 2017-05-18

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.

Do I need to act?

~
2.9% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Mikrotik

References (8)

Exploit http://seclists.org/fulldisclosure/2017/May/59
Exploit https://cxsecurity.com/issue/WLB-2017050062
Exploit https://packetstormsecurity.com/files/142538/MikroTik-RouterBoard-6.38.5-Denial-...
Exploit https://www.vulnerability-lab.com/get_content.php?id=2064
Exploit http://seclists.org/fulldisclosure/2017/May/59
Exploit https://cxsecurity.com/issue/WLB-2017050062
Exploit https://packetstormsecurity.com/files/142538/MikroTik-RouterBoard-6.38.5-Denial-...
Exploit https://www.vulnerability-lab.com/get_content.php?id=2064
37
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 6/34 · Minimal
Exposure 5/34 · Minimal