CVE-2026-66890 Use of Hard-coded Credentials in Digital Watchdog VMAX DVR and NVR Product Lineups
Critical 9.4
Published
Updated
Check this codebase for CVE-2026-66890 and fix it if it is affected.
What it is: CVE-2026-66890 is a critical 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.
Exploitation: There is no known exploitation of CVE-2026-66890 in the wild and no public exploit code.
Affected product: Digital Watchdog VA1G4 Recorder. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2026-66890/ (Markdown: https://insights.sbomify.com/CVE-2026-66890/index.md)
Hard-coded credentials allow remote attackers to access files with root privileges via FTP on Digital Watchdog DVR and NVR devices.
- 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-2026-66890?
CVE-2026-66890 is a critical 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 use hard-coded credentials, which could allow remote access to files with root privileges where FTP is reachable.
Weakness: CWE-798
Which versions are affected by CVE-2026-66890?
How do I fix CVE-2026-66890?
No fix has been published for CVE-2026-66890 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-66890 being exploited?
There is no known exploitation of CVE-2026-66890 in the wild and no public exploit code.
Sources
Also known as GHSA-49rh-f5gr-c32x.