CVE-2025-52601

Q: What is the severity of CVE-2025-52601?

CVE-2025-52601 has a CVSS score of 7.8 (HIGH). This vulnerability involves a hardcoded encryption key in Device Manager software that allows attackers to decrypt sensitive information. It affects industrial control systems (ICS) and OT/IoT environments using vulnerable Device Manager implementations. The manufacturer has released patch firmware to address this cryptographic weakness.

7.8 HIGH

📋 TL;DR

This vulnerability involves a hardcoded encryption key in Device Manager software that allows attackers to decrypt sensitive information. It affects industrial control systems (ICS) and OT/IoT environments using vulnerable Device Manager implementations. The manufacturer has released patch firmware to address this cryptographic weakness.

💻 Affected Systems

Products:

Device Manager software from unspecified manufacturer

Versions: All versions prior to patched firmware

Operating Systems: Unknown - likely embedded/industrial OS

Default Config Vulnerable: ⚠️ Yes

Notes: Affects industrial control systems and OT/IoT environments. Specific product details require manufacturer consultation.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers decrypt all sensitive information stored by Device Manager, potentially gaining access to credentials, configuration data, and operational secrets that could lead to full system compromise.

🟠

Likely Case

Attackers with network access decrypt sensitive configuration data and credentials, enabling lateral movement within OT/ICS networks and potential disruption of industrial processes.

🟢

If Mitigated

With proper network segmentation and access controls, attackers cannot reach vulnerable systems, limiting impact to isolated network segments.

🌐 Internet-Facing: HIGH

🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ✅ No

Complexity: LOW

Exploitation requires obtaining encrypted data and using the hardcoded key. No authentication bypass needed if encrypted data is accessible.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Manufacturer's patched firmware (specific version unknown)

Vendor Advisory: https://www.hanwhavision.com/wp-content/uploads/2025/12/Camera-Vulnerability-ReportCVE-2025-5259852601-8075.pdf

Restart Required: Yes

Instructions:

1. Consult manufacturer advisory 2. Download patched firmware 3. Backup current configuration 4. Apply firmware update 5. Verify successful update 6. Restart device

🔧 Temporary Workarounds

Network Segmentation

all

Isolate Device Manager systems from untrusted networks

Access Control Restrictions

all

Implement strict access controls to limit who can access Device Manager interfaces

🧯 If You Can't Patch

Implement network segmentation to isolate vulnerable systems
Monitor for unusual access patterns to Device Manager systems

🔍 How to Verify

Check if Vulnerable:

Check Device Manager version against manufacturer's advisory. Systems using unpatched firmware are vulnerable.

Check Version:

Manufacturer-specific command - consult device documentation

Verify Fix Applied:

Verify firmware version matches patched version specified in manufacturer advisory.

📡 Detection & Monitoring

Log Indicators:

Unusual access patterns to Device Manager
Multiple failed decryption attempts
Unauthorized configuration changes

Network Indicators:

Unusual traffic to Device Manager ports
Traffic patterns suggesting data exfiltration

SIEM Query:

source="device_manager" AND (event_type="config_change" OR event_type="auth_failure")

📊 Metadata

CVE ID: CVE-2025-52601

CVSS v3 Score: 7.8 (HIGH)

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE: CWE-321

EPSS Score: 0.01% exploit probability (0.9th percentile)

Published: December 26, 2025

Last Updated: January 7, 2026

🔗 References

https://www.hanwhavision.com/wp-content/uploads/2025/12/Camera-Vulnerability-ReportCVE-2025-5259852601-8075.pdf Vendor Advisory

📋 TL;DR

💻 Affected Systems

📦 What is this software?

Knb 2000 Firmware by Hanwhavision

Knb 5000n Firmware by Hanwhavision

Knd 2010 Firmware by Hanwhavision

Knd 2020rn Firmware by Hanwhavision

Knd 2080rn Firmware by Hanwhavision

Knd 5020rn Firmware by Hanwhavision

Knd 5080rn Firmware by Hanwhavision

Kno 2010rn Firmware by Hanwhavision

Kno 2080rn Firmware by Hanwhavision

Kno 2120rn Firmware by Hanwhavision

Kno 5020rn Firmware by Hanwhavision

Kno 5080rn Firmware by Hanwhavision

Knp 2120hn Firmware by Hanwhavision

Knp 2320rh Firmware by Hanwhavision

Knp 2320rha Firmware by Hanwhavision

Knp 2550rha Firmware by Hanwhavision

Pnm 7000vd Firmware by Hanwhavision

Pnm 7002vd Firmware by Hanwhavision

Pnm 9000vd Firmware by Hanwhavision

Pnm 9000vq Firmware by Hanwhavision

Pnm 9002vq Firmware by Hanwhavision

Pnm 9080vq Firmware by Hanwhavision

Pnm 9081vq Firmware by Hanwhavision

Pnm 9084qz Firmware by Hanwhavision

Pnm 9084qz1 Firmware by Hanwhavision

Pnm 9084rqz Firmware by Hanwhavision

Pnm 9084rqz1 Firmware by Hanwhavision

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Pnm 9085rqz1 Firmware by Hanwhavision

Pnm 9320vqp Firmware by Hanwhavision

Pnm 9321vqp Firmware by Hanwhavision

Pnm 9322vqp Firmware by Hanwhavision

Qnd C8013r Firmware by Hanwhavision

Qnd C8023r Firmware by Hanwhavision

Qne C8013rl Firmware by Hanwhavision

Qne C9013rl Firmware by Hanwhavision

Qnf 8010 Firmware by Hanwhavision

Qnf C9010 Firmware by Hanwhavision

Qnf C9010v Firmware by Hanwhavision

Qno C6083r Firmware by Hanwhavision

Qno C8013r Firmware by Hanwhavision

Qno C8023r Firmware by Hanwhavision

Qno C8083r Firmware by Hanwhavision

Qno C9083r Firmware by Hanwhavision

Qnp 6230 Firmware by Hanwhavision

Qnp 6230h Firmware by Hanwhavision

Qnp 6250 Firmware by Hanwhavision

Qnp 6250h Firmware by Hanwhavision

Qnp 6250r Firmware by Hanwhavision

Qnp 6320 Firmware by Hanwhavision

Qnp 6320h Firmware by Hanwhavision

Qnp 6320r Firmware by Hanwhavision

Qnv C6083r Firmware by Hanwhavision

Qnv C8011r Firmware by Hanwhavision

Qnv C8012 Firmware by Hanwhavision

Qnv C8013r Firmware by Hanwhavision

Qnv C8023r Firmware by Hanwhavision

Qnv C8083r Firmware by Hanwhavision

Qnv C9011r Firmware by Hanwhavision

Qnv C9083r Firmware by Hanwhavision

Tnb 6030 Firmware by Hanwhavision

Tnv 7010rc Firmware by Hanwhavision

Tnv C7013rc Firmware by Hanwhavision

Tnv C8011rw Firmware by Hanwhavision

Tnv C8014rm Firmware by Hanwhavision

Tnv C8034rm Firmware by Hanwhavision

Xnb 6000 Firmware by Hanwhavision

Xnb 6001 Firmware by Hanwhavision

Xnb 6002 Firmware by Hanwhavision

Xnb 6003 Firmware by Hanwhavision

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Xnb 8000 Firmware by Hanwhavision

Xnb 8002 Firmware by Hanwhavision

Xnb 8003 Firmware by Hanwhavision

Xnb 9002 Firmware by Hanwhavision

Xnb 9003 Firmware by Hanwhavision

Xnd 6010 Firmware by Hanwhavision