CVE-2025-23123

CRITICALNVD 10.010.0—

10.0

A malicious actor with access to the management network could execute a remote code execution (RCE) by exploiting a heap buffer overflow vulnerability in the UniFi Protect Cameras (Version 4.75.43 and earlier) firmware.

CVSS v3: 10.0
EG Score: 10.0(medium)
EPSS: 82.5%
KEV: Not listed

Published

May 19, 2025

Last Modified

April 15, 2026

Advisory Details (1)

Auto-updated May 15, 2026

No patch confirmed yet.

generic

https://community.ui.com/releases/Security-Advisory-Bulletin-047-047/cef86c37-7421-44fd-b251-84e76475a5bc

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-122Heap-based Buffer Overflow

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 06:10 UTCepss_batch
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Frequently asked(5)

What is CVE-2025-23123?

CVE-2025-23123 is a critical vulnerability published on May 19, 2025. A malicious actor with access to the management network could execute a remote code execution (RCE) by exploiting a heap buffer overflow vulnerability in the UniFi Protect Cameras (Version 4.75.43 and earlier) firmware.

When was CVE-2025-23123 disclosed?

CVE-2025-23123 was first published in the National Vulnerability Database on May 19, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-23123 actively exploited?

CVE-2025-23123 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 82.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-23123?

CVE-2025-23123 has a CVSS v3 base score of 10.0 (NVD).

How do I remediate CVE-2025-23123?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-23123, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2025-23123

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-23123?

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Frequently asked(5)

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