CVE-2025-52601: Hanwhavision Xno-8082r Info Disclosure

CVE-2025-52601 Overview

CVE-2025-52601 is a hardcoded cryptographic key vulnerability [CWE-321] affecting a large range of Hanwha Vision network cameras and multi-sensor devices. The flaw resides in the Device Manager component, which embeds a fixed encryption key used to protect sensitive information. An attacker with local access can extract this key and use it to decrypt protected data handled by the device. The vulnerability was reported by Nozomi Networks Labs, a security research team focused on Industrial Control Systems (ICS) and OT/IoT environments. Hanwha Vision has published patched firmware to remediate the issue across affected models.

Critical Impact
An attacker who recovers the static encryption key can decrypt sensitive information handled by Device Manager, undermining the confidentiality controls of hundreds of Hanwha Vision camera models deployed in surveillance and OT environments.

Affected Products

Hanwha Vision XNO, XNV, XND, and XNB series network cameras (6000, 8000, and 9000 firmware families)
Hanwha Vision XNP, XNF, XNZ, QNP, QNV, QNO, QND, and QNE series cameras and multi-sensor units
Hanwha Vision PNM panoramic multi-sensor cameras and TNV/TNB thermal and specialty models

Discovery Timeline

2025-12-26 - CVE-2025-52601 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-52601

Vulnerability Analysis

The vulnerability is a use of hard-coded cryptographic key weakness in the Device Manager software used with Hanwha Vision cameras. Device Manager encrypts sensitive information using a key that is statically embedded in the application binary rather than derived per device or per session. Because the same key ships with every installation, any attacker who obtains a copy of Device Manager can extract the key through static analysis or memory inspection. Once recovered, the key allows offline decryption of any data protected by the same routine, regardless of which device produced the ciphertext.

The attack requires local access and low privileges, which limits remote mass exploitation. However, in enterprise surveillance deployments where camera configuration files, credentials, and management traffic are exchanged with Device Manager, a single key recovery can compromise the confidentiality of information across an entire camera fleet.

Root Cause

The root cause is a design decision to bundle a static symmetric key inside the Device Manager application. Cryptographic best practice requires that keys be generated at install time, derived from device-unique material, or provisioned through a secure key management service. Embedding the key in shipped code eliminates the secrecy assumption on which the encryption scheme depends.

Attack Vector

An attacker with local access to a host running Device Manager or to a copy of the application extracts the embedded key using reverse engineering tools. The attacker then intercepts or obtains encrypted configuration blobs, backup files, or exported credentials associated with Hanwha Vision cameras. Applying the recovered key offline yields plaintext values such as administrative credentials or configuration parameters, which can then be reused against camera endpoints on the network.

// No verified proof-of-concept code is publicly available for CVE-2025-52601.
// Refer to the Hanwha Vision advisory for technical specifics.

Detection Methods for CVE-2025-52601

Indicators of Compromise

Unexpected access to Device Manager installation directories or backup files on management workstations.
Unauthorized administrative logins to Hanwha Vision cameras from hosts that previously handled Device Manager exports.
Configuration or credential changes on cameras that do not correspond to any authorized change ticket.

Detection Strategies

Inventory all Hanwha Vision cameras and firmware versions across the environment and correlate against the vendor advisory list of affected models.
Monitor management workstations for reverse engineering tools such as debuggers, disassemblers, or memory dumpers targeting Device Manager processes.
Alert on anomalous authentication patterns against camera web interfaces, especially reuse of legacy credentials after firmware updates.

Monitoring Recommendations

Segment camera management networks and capture NetFlow or packet metadata for traffic between Device Manager hosts and camera subnets.
Log and review file access on directories containing Device Manager binaries, exports, and configuration archives.
Track firmware version compliance continuously and generate alerts when a device drops off the patched baseline.

How to Mitigate CVE-2025-52601

Immediate Actions Required

Apply the patched firmware provided by Hanwha Vision to every affected camera model listed in the vendor advisory.
Rotate all camera administrative credentials and any secrets that were previously stored or exported through Device Manager.
Restrict Device Manager installations to hardened administrative workstations with strict access controls and auditing.

Patch Information

Hanwha Vision has released firmware updates addressing this issue. Refer to the Hanwha Vision Vulnerability Report CVE-2025-5259 for the full model list and corresponding fixed firmware versions.

Workarounds

Isolate camera management traffic on a dedicated VLAN and block Device Manager hosts from general user networks.
Avoid exporting or transporting Device Manager configuration files outside protected administrative systems until firmware is updated.
Enforce multi-factor authentication and unique credentials on any management console that has access to the camera fleet.

bash

# Example: restrict access to Device Manager working directory (Windows)
icacls "C:\Program Files\Hanwha Vision\Device Manager" /inheritance:r
icacls "C:\Program Files\Hanwha Vision\Device Manager" /grant:r "Administrators:(OI)(CI)F"
icacls "C:\Program Files\Hanwha Vision\Device Manager" /remove "Users" "Everyone"