Kerui W18 Alarm System 1.0 authentication replay

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Kerui W18 Alarm System 1.0. It has been declared as critical. This impacts an unknown function. The manipulation results in authentication replay. This vulnerability was named CVE-2023-31759. There is no available exploit.

Detailsinfo

A vulnerability classified as critical has been found in Kerui W18 Alarm System 1.0. Affected is some unknown processing. The manipulation with an unknown input leads to a authentication replay vulnerability. CWE is classifying the issue as CWE-294. A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes). This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Weak Security in the 433MHz keyfob of Kerui W18 Alarm System v1.0 allows attackers to gain full access via a code replay attack.

The weakness was presented 05/24/2023. The advisory is shared for download at ashallen.net. This vulnerability is traded as CVE-2023-31759 since 04/29/2023. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1040.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-36050). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Authentication replay
CWE: CWE-294 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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

04/29/2023 🔍
05/24/2023 +25 days 🔍
05/24/2023 +0 days 🔍
12/28/2025 +949 days 🔍

Sourcesinfo

Advisory: ashallen.net
Status: Not defined

CVE: CVE-2023-31759 (🔍)
GCVE (CVE): GCVE-0-2023-31759
GCVE (VulDB): GCVE-100-229788
EUVD: 🔍

Entryinfo

Created: 05/24/2023 07:48
Updated: 12/28/2025 07:08
Changes: 05/24/2023 07:48 (37), 01/18/2025 02:22 (33), 12/28/2025 07:08 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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