CVE-2026-66887 PUBLISHED

Missing Authorization in Digital Watchdog VMAX DVR and NVR Product Lineups

Assigner: icscert
Reserved: 03.08.2026 Published: 15.09.2026 Updated: 16.09.2026

The affected products are missing authorization on state-changing CGIs and session checks are not performed.

CVSS Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS Score: 9.6

Attack Vector	Adjacent Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

CVSS Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS Score: 9.4

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Adjacent	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	None	Availability	High	Availability	High
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Digital Watchdog
Product	VMAX A1 G4 DVR
Versions	Default: unaffected Version All is affected

Vendor	Digital Watchdog
Product	VMAX IP G4 NVR
Versions	Default: unaffected Version All is affected

Vendor	Digital Watchdog
Product	VMAX A1 PLUS
Versions	Default: unaffected Version All is affected

Vendor	Digital Watchdog
Product	VA1G4 Recorder
Versions	Default: unaffected Version All is affected

Vendor	Digital Watchdog
Product	VG4 Recorder
Versions	Default: unaffected Version All is affected

Solutions

Digital Watchdog has released updated firmware for the affected products. Users should download and install the updated firmware for their model at: https://digital-watchdog.com/downloads/

CVE-2026-66887 PUBLISHED

Missing Authorization in Digital Watchdog VMAX DVR and NVR Product Lineups

Metrics

Product Status

Solutions

Credits

References

Problem Types