What’s Vulnerable › Vulnerabilities

CVE-2023-30799: MikroTik RouterOS Administrator Privilege Escalation

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-07-19 · updated 2026-06-17
• Weakness: CWE-269

Description

MikroTik RouterOS stable before 6.49.7 and long-term through 6.48.6 are vulnerable to a privilege escalation issue. A remote and authenticated attacker can escalate privileges from admin to super-admin on the Winbox or HTTP interface. The attacker can abuse this vulnerability to execute arbitrary code on the system.

Affected products

• MikroTik RouterOS: through 6.48.7; from 6.34 before 6.49.7 — fixed in 6.49.7

How to fix

Upgrade to a fixed version: MikroTik RouterOS 6.49.7. Check the vendor advisory for mitigations.

References

• https://github.com/MarginResearch/FOISted
• https://vulncheck.com/advisories/mikrotik-foisted
• https://github.com/MarginResearch/FOISted
• https://vulncheck.com/advisories/mikrotik-foisted

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