Critical

RCE in Ubiquiti UniFi Protect Cameras firmware

IdentifiersCVE-2025-23123CWE-122· Heap-based Buffer Overflow

CVE-2025-23123 is a heap buffer overflow vulnerability in Ubiquiti UniFi Protect Cameras firmware affecting version 4.75.43 and earlier. According to the provided content, a malicious actor with access to the management network can exploit the flaw to achieve remote code execution on the camera. The issue is described as affecting UniFi Protect IP cameras and is critical in severity.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation allows arbitrary code execution on the affected UniFi Protect camera. The provided content indicates this can result in full device takeover and could disrupt surveillance operations. Because exploitation occurs on the camera itself, an attacker could potentially gain control over device functionality and use the compromised camera as a foothold within the management environment.

Mitigation

If you can’t patch tonight, do this now.

Restrict access to the management network to only trusted administrative hosts and segments, as exploitation requires access to that network. Minimize exposure of camera management interfaces, enforce network segmentation for surveillance infrastructure, and monitor for unauthorized access to management-plane services until firmware can be upgraded. Where possible, isolate vulnerable cameras from untrusted or shared internal networks.

Remediation

Patch, then assume compromise.

Upgrade UniFi Protect IP camera firmware to version 4.75.62 or later, which the provided content states addresses CVE-2025-23123. Systems running firmware 4.75.43 and earlier should be prioritized for update.

PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

ACTIVITY FEED

Recent activity

17 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

17 SOURCESView more in app

runzero blogNews

Jan 6, 2026

How to find Ubiquiti UniFi Protect assets on your network

A critical vulnerability in Ubiquiti UniFi Protect IP cameras that allows unauthenticated attackers with management network access to execute arbitrary code and take full control of the device.

the hacker newsNews

May 12, 2025

⚡ Weekly Recap: Zero-Day Exploits, Developer Malware, IoT Botnets, and AI-Powered Scams

A vulnerability listed as a trending CVE in the content (no technical details provided).

What this page doesn’t show

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Exposure mapping

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Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity15