CVE-2025-52601

Sensitive-information decryption via hard-coded cryptographic key

Published Dec 26, 2025 · Updated Dec 26, 2025

Use of a hard-coded cryptographic key in Hanwha Vision Wisenet Device Manager before 2.9.3.1 allows local users to decrypt sensitive information. Hanwha Vision has not disclosed which stored data or code path embeds and uses the shared key. Exploitation requires local low-privileged access to the Windows host and exposes only information protected by that embedded key.

CVSS severity6.3
Medium
EPSS probability0.10%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Use of a hard-coded cryptographic key in Hanwha Vision Wisenet Device Manager before 2.9.3.1 allows local users to decrypt sensitive information. Hanwha Vision has not disclosed which stored data or code path embeds and uses the shared key. Exploitation requires local low-privileged access to the Windows host and exposes only information protected by that embedded key.

The record

CVE
CVE-2025-52601
Published
Dec 26, 2025
Updated
Dec 26, 2025
Vendor
Hanwha Vision Co., Ltd.
Product
Wisenet Device Manager
Classifications
CWE-321
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 26, 2025CVE publishedPublication date reported by the CVE source.
  2. Dec 26, 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?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=prior to version 2.9.3.1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Hanwha Vision Co., Ltd. · Wisenet Device Managerversion=prior to version 2.9.3.1

Published CVSS scores

7.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.3Hanwha Vision Co., Ltd.CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA: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)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-321Use of Hard-coded Cryptographic Key

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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