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High · 7.5 Public exploit CVE-2023-30800 EUVD-2023-35160GHSA-pmjf-334r-5j9j

MikroTik RouterOS Web Interface Heap Corruption

Published Sep 7, 2023 · Updated Nov 21, 2025 · Assigned by VulnCheck

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.

Affected products

VendorProductAffectedFixed
MikroTik RouterOS 6.49.9, 6.48.8 6.49.10

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 3 repositories

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

References