What’s Vulnerable › Vulnerabilities

CVE-2023-32154: Mikrotik RouterOS RADVD Out-Of-Bounds Write Remote Code Execution Vulnerability

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-03 · updated 2026-06-17
• Weakness: CWE-787

Description

Mikrotik RouterOS RADVD Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Mikrotik RouterOS. Authentication is not required to exploit this vulnerability. The specific flaw exists within the Router Advertisement Daemon. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of root. . Was ZDI-CAN-19797.

Affected products

• MikroTik RouterOS: before 6.48.7 — fixed in 6.48.7

How to fix

Upgrade to a fixed version: MikroTik RouterOS 6.48.7. Check the vendor advisory for mitigations.

References

• https://www.zerodayinitiative.com/advisories/ZDI-23-710/
• https://www.zerodayinitiative.com/advisories/ZDI-23-710/

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