CVE-2025-23123Network attack vector

Remote code execution via heap buffer overflow

Published May 19, 2025 · Updated May 19, 2025

Heap buffer overflow in Ubiquiti UniFi Protect Cameras firmware 4.75.43 and earlier allows remote attackers to execute arbitrary code. The published advisory identifies heap memory corruption but does not disclose the affected service, request field, or unchecked copy operation. Access to the camera management network is required, and successful exploitation grants code execution on the camera.

CVSS severity10.0
Critical
EPSS probability1.12%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Heap buffer overflow in Ubiquiti UniFi Protect Cameras firmware 4.75.43 and earlier allows remote attackers to execute arbitrary code. The published advisory identifies heap memory corruption but does not disclose the affected service, request field, or unchecked copy operation. Access to the camera management network is required, and successful exploitation grants code execution on the camera.

The record

CVE
CVE-2025-23123
Published
May 19, 2025
Updated
May 19, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-122
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 19, 2025CVE publishedPublication date reported by the CVE source.
  2. May 19, 2025Record 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

10.0UbiquitiCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/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-122Heap-based Buffer Overflow

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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