7.2

CVE-2025-6443: mikrotik routeros Improper Access Control

CVSS: 7.2v3.0HighAnalyzed
Published 25-06-2025Last modified 26-06-2025
Open JSON

Vulnerability summary

CVE-2025-6443 is a high (CVSS 7.2) Improper Access Control vulnerability in mikrotik routeros. EPSS estimates a 0.57% chance of exploitation in the next 30 days, higher than 45.9% of scored vulnerabilities.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.2/10
010
High · v3.0 (CVE.org)
EPSS score
0.57%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 25-06-2025
    PublishedVulnerability first disclosed.
  2. 26-06-2025
    Last modifiedVulnerability information updated.

Description

Mikrotik RouterOS VXLAN Source IP Improper Access Control Vulnerability. This vulnerability allows remote attackers to bypass access restrictions on affected installations of Mikrotik RouterOS. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of remote IP addresses when processing VXLAN traffic. The issue results from the lack of validation of the remote IP address against configured values prior to allowing ingress traffic into the internal network. An attacker can leverage this vulnerability to gain access to internal network resources. Was ZDI-CAN-26415.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.57%

Chance of exploitation in the next 30 days

Percentile

46%

Versus all other CVEs

30-day change

+0.01 pp

From 0.55% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.57%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Mikrotik1 product

1 vendor · 1 product

References

1 links