RouterOS Arbitrary Packet Handling Vulnerability in MikroTik Devices
CVE-2018-5951

7.5HIGH

Key Information:

Vendor

Mikrotik

Status
Routeros
Vendor
CVE Published:
2 March 2020

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 18%

What is CVE-2018-5951?

A vulnerability present in MikroTik RouterOS allows an attacker to exploit improper packet handling. By sending a specially crafted 1-byte packet to the IPv6 address of a RouterOS device using IP Protocol 97, devices can be forced to reboot unexpectedly. This issue arises in all RouterOS versions that support EoIPv6, potentially leading to significant disruptions in network operations.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2018-5951
Created by Nat-Lab

References

https://github.com/Nat-Lab/CVE-2018-5951
x_refsource_MISC

EPSS Score

18% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability Reserved

.