CVE-2023-30800

7.5 HIGH
Published: September 07, 2023 Modified: November 21, 2025

Description

The web server used by MikroTik RouterOS version 6 is affected by a heap memory corruption issue. A remote and unauthenticated attacker can corrupt the server's heap memory by sending a crafted HTTP request. As a result, the web interface crashes and is immediately restarted. The issue was fixed in RouterOS 6.49.10 stable. RouterOS version 7 is not affected.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://vulncheck.com/advisories/mikrotik-jsproxy-dos
Source: disclosure@vulncheck.com
Exploit Third Party Advisory
https://vulncheck.com/advisories/mikrotik-jsproxy-dos
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory

2 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
4.4%
89th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

mikrotik