CVE-2026-66887 Missing Authorization in Digital Watchdog VMAX DVR and NVR Product Lineups
Attackers can perform unauthorized state-changing actions on Digital Watchdog DVR and NVR devices due to missing authorization checks on CGIs.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-66887?
CVE-2026-66887 is a critical missing authorization vulnerability in Digital Watchdog VA1G4 Recorder, published on 15 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The affected products are missing authorization on state-changing CGIs and session checks are not performed.
Weakness: CWE-862
Which versions are affected by CVE-2026-66887?
How do I fix CVE-2026-66887?
No fix has been published for CVE-2026-66887 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-66887 being exploited?
There is no known exploitation of CVE-2026-66887 in the wild and no public exploit code.
Sources
Also known as GHSA-294r-hwg8-m55w.