CVE-2023-24094Network attack vector

Unauthenticated bridge2 crash via crafted packets

Published Mar 27, 2023 · Updated Jul 9, 2026

Memory corruption in bridge2 in MikroTik RouterOS 6.40.5 allows remote attackers to crash the process with crafted packets. The bridge2 process handles a crafted packet with an out-of-bounds write, causing an invalid memory access and SIGSEGV. No authentication or user interaction is required; the demonstrated consequence is a bridge2 process crash, with no disclosed code execution or data impact.

CVSS severity7.5
High
EPSS probability0.82%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Memory corruption in bridge2 in MikroTik RouterOS 6.40.5 allows remote attackers to crash the process with crafted packets. The bridge2 process handles a crafted packet with an out-of-bounds write, causing an invalid memory access and SIGSEGV. No authentication or user interaction is required; the demonstrated consequence is a bridge2 process crash, with no disclosed code execution or data impact.

The record

CVE
CVE-2023-24094
Published
Mar 27, 2023
Updated
Jul 9, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-787, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 27, 2023CVE publishedPublication date reported by the CVE source.
  2. Jul 9, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-787Out-of-bounds Write
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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