Atsumi Electric ADX2016 improper authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.8$0-$5k5.84

Summaryinfo

A vulnerability has been found in Atsumi Electric ADX5004, ADX5008, ADX404, ADX3004, ADX3008, ADX3016, ADX204, ADX1004, ADX1008 and ADX2016 and classified as problematic. Affected is an unknown function. The manipulation leads to improper authorization. This vulnerability is listed as CVE-2026-100737. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Atsumi Electric ADX5004, ADX5008, ADX404, ADX3004, ADX3008, ADX3016, ADX204, ADX1004, ADX1008 and ADX2016 and classified as problematic. This issue affects an unknown part. The manipulation with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is integrity. The summary by CVE is:

Hidden functionality issue exists in Multiple DVRs (Digital Video Recorders) provided by Atsumi Electric Co., Ltd. A user who can log in to the product with the administrator privilege may upgrade the affected product to unauthorized firmware.

It is possible to read the advisory at atsumi.co.jp. The identification of this vulnerability is CVE-2026-100737 since 09/30/2026. The exploitation is known to be easy. The attack may be initiated remotely. Additional levels of successful authentication are necessary for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/20/2026). The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

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-2026-104797). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

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: 3.8
VulDB Meta Temp Score: 3.8

VulDB Base Score: 2.7
VulDB Temp Score: 2.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.9
CNA Vector (jpcert): 🔒

CVSSv2info

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

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
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

09/30/2026 CVE reserved
10/20/2026 +20 days Advisory disclosed
10/20/2026 +0 days VulDB entry created
10/20/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: atsumi.co.jp
Status: Not defined

CVE: CVE-2026-100737 (🔒)
GCVE (CVE): GCVE-0-2026-100737
GCVE (VulDB): GCVE-100-422663
EUVD: 🔒

Entryinfo

Created: 10/20/2026 07:52
Updated: 10/20/2026 10:51
Changes: 10/20/2026 07:52 (71), 10/20/2026 10:51 (1)
Complete: 🔍
Cache ID: 216::103

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