ZKTeco WL20 Biometric Attendance System up to 3.1.8 cleartext storage

CVSS Meta Temp Score
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CTI Interest Score
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2.4$0-$5k0.00

Summaryinfo

A vulnerability was found in ZKTeco WL20 Biometric Attendance System up to 3.1.8. It has been declared as problematic. Affected by this issue is some unknown functionality. Such manipulation leads to cleartext storage. This vulnerability is uniquely identified as CVE-2025-54464. The attack can be executed directly on the physical device. No exploit exists.

Detailsinfo

A vulnerability was found in ZKTeco WL20 Biometric Attendance System up to 3.1.8 and classified as problematic. Affected by this issue is some unknown processing. The manipulation with an unknown input leads to a cleartext storage vulnerability. Using CWE to declare the problem leads to CWE-312. The product stores sensitive information in cleartext within a resource that might be accessible to another control sphere. Impacted is confidentiality. CVE summarizes:

This vulnerability exists in ZKTeco WL20 due to storage of admin and user credentials without encryption in the device firmware. An attacker with physical access could exploit this vulnerability by extracting the firmware and reverse engineer the binary data to access the unencrypted credentials stored in the firmware of targeted device.

The weakness was disclosed by Shravan Singh as CIVN-2025-0172. The advisory is shared for download at cert-in.org.in. This vulnerability is handled as CVE-2025-54464 since 07/22/2025. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1555.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 2.4
VulDB Meta Temp Score: 2.4

VulDB Base Score: 2.4
VulDB Temp Score: 2.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cleartext storage
CWE: CWE-312 / CWE-310
CAPEC: 🔒
ATT&CK: 🔒

Physical: Yes
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

07/22/2025 CVE reserved
08/13/2025 +22 days Advisory disclosed
08/13/2025 +0 days VulDB entry created
08/13/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: CIVN-2025-0172
Researcher: Shravan Singh
Status: Not defined

CVE: CVE-2025-54464 (🔒)
GCVE (CVE): GCVE-0-2025-54464
GCVE (VulDB): GCVE-100-319892

Entryinfo

Created: 08/13/2025 13:54
Changes: 08/13/2025 13:54 (67)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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