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CVE-2023-32154

Mikrotik RouterOS RADVD Out-Of-Bounds Write Remote Code Execution Vulnerability

HIGH
7.5
CVSS Score
Published: May 3, 2024 at 01:56 AM UTC
Updated: June 17, 2026 at 05:58 AM UTC
1 product affected across 1 vendorRouterOS

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Severity
HIGH7.5
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

RouterOS· Mikrotik
95%
v < 6.48.7v < 6.49.76.49.7 Stable
Affected range stops below 6.48.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.49.7, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_research-advisoryThird Party Advisory
Source: [email protected]
https://www.zerodayinitiative.com/advisories/ZDI-23-710/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHzdi
Vector?

Quick Info

StatusANALYZED
CWE
CWE-787

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