MikroTik RouterOS Web Interface Heap Corruption
CVE-2023-30800

7.5HIGH

Key Information:

Vendor

Mikrotik

Status
Routeros
Vendor
CVE Published:
7 September 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-30800?

A heap memory corruption issue affects the web server component of MikroTik RouterOS version 6. This vulnerability allows a remote, unauthenticated attacker to crash the web interface by sending a specifically crafted HTTP request, leading to instability as the web interface restarts. The issue has been addressed in RouterOS version 6.49.10, and users are advised to update to ensure their systems are secure. Notably, RouterOS version 7 remains unaffected by this vulnerability.

Affected Version(s)

RouterOS x86 6.49.10

RouterOS x86 6.49.9

RouterOS x86 6.48.8

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.

MikroTik
Created by AxthonyV

References

https://vulncheck.com/advisories/mikrotik-jsproxy-dos

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

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Jacob Baines
.