CVE-2023-30800

7.5 highEPSS 1.7%

High (7.5) in mikrotik routeros. EPSS 1.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 1.7% chance of exploitation in the next 30 days; higher than 77% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2023-09-07
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mikrotik:routeros

References

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

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