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/. Until firmware is applied, network segmentation and restricting FTP access may reduce risk.
Quick answers
What is CVE-2026-66890?
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/. Until firmware is applied, network segmentation and restricting FTP access may reduce risk.
How severe is CVE-2026-66890?
critical, CVSS 9.6
Is CVE-2026-66890 known to be exploited?
It is not marked known-exploited in this record.
How should CVE-2026-66890 be mitigated?
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/. Until firmware is applied, network segmentation and restricting FTP access may reduce risk.
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/. Until firmware is applied, network segmentation and restricting FTP access may reduce risk.
CISA has issued an advisory detailing six vulnerabilities affecting Digital Watchdog VMAX DVR and NVR product lines. Exploitation could allow unauthenticated remote attackers to gain full administrative control, access live and recorded surveillance footage, alter device configurations, and use compromised devices as network pivot points. CVSS scores range from 6.5 to 9.6, with CVE-2026-66890 rated CRITICAL. Digital Watchdog has released updated firmware to address the flaws.