CVE-2026-100737

Unauthorized Firmware Upgrade in Atsumi Electric DVRs

Published Oct 20, 2026 CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Atsumi Electric
Atsumi Electric adx1004
Atsumi Electric adx1008
Atsumi Electric adx2016
Atsumi Electric adx204
Atsumi Electric adx3004
Atsumi Electric adx3008
Atsumi Electric adx3016
Atsumi Electric adx404
Atsumi Electric adx5004
Atsumi Electric adx5008
Vendors & Products Atsumi Electric
Atsumi Electric adx1004
Atsumi Electric adx1008
Atsumi Electric adx2016
Atsumi Electric adx204
Atsumi Electric adx3004
Atsumi Electric adx3008
Atsumi Electric adx3016
Atsumi Electric adx404
Atsumi Electric adx5004
Atsumi Electric adx5008
Type Values Removed Values Added
Title Unauthorized Firmware Upgrade in Atsumi Electric DVRs
Type Values Removed Values Added
Description 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.
Weaknesses CWE-912
References
Metrics cvssV3_0

{'score': 4.9, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
jpcert
Published
Updated
Oct 20, 2026, 7:15 PM
Reserved
Sep 29, 2026, 11:55 PM
Status
Deferred
Published
Oct 20, 2026, 6:16 AM
Modified
Oct 20, 2026, 8:17 PM