What is CVE-2023-30800?

CVE-2023-30800 is a high-severity vulnerability in Mikrotik Routeros, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2023-09-07.

How severe is CVE-2023-30800?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2023-30800 known to be exploited?

8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Mikrotik Routeros

CVE-2023-30800

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…

Vulnerability class: Buffer Overflow

EPSS: 0.043 (89.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Mikrotik Routeros — versions 6.49.10, 6.49.9, 6.48.8

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

References

vulncheck.com/advisories/mikrotik-jsproxy-dos

Frequently asked questions

What is CVE-2023-30800?: CVE-2023-30800 is a high-severity vulnerability in Mikrotik Routeros, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2023-09-07.
How severe is CVE-2023-30800?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-30800 known to be exploited?: 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.