# CVE-2026-66887

## Summary

- **CVE ID:** CVE-2026-66887
- **Severity:** CRITICAL
- **CVSS Score:** 9.6 (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)
- **CWE:** CWE-862
- **Published:** Sep 15, 2026
- **Last Modified:** Sep 16, 2026

## Description

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

## Affected Products

- Digital Watchdog — VMAX A1 G4 DVR (All)
- Digital Watchdog — VMAX IP G4 NVR (All)
- Digital Watchdog — VMAX A1 PLUS (All)
- Digital Watchdog — VA1G4 Recorder (All)
- Digital Watchdog — VG4 Recorder (All)

## References

- [CNA](https://digital-watchdog.com/downloads/)
- [CNA](https://www.cisa.gov/news-events/ics-advisories/icsa-26-258-01)
- [CNA](https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-258-01.json)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.20%
- **EPSS Percentile:** 9.7

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._