CVE-2023-3704: Cpplusworld CP-Uvr-0401l1-4kh Firmware

Medium severity, CVSS 5.3. EPSS: 0.7% chance of exploitation in the next 30 days.

The vulnerability exists in CP-Plus DVR due to an improper input validation within the web-based management interface of the affected products. An unauthenticated remote attacker could exploit this vulnerability by sending specially crafted HTTP requests to the vulnerable device. Successful exploitation of this vulnerability could allow the remote attacker to change system time of the targeted device.

Affected products

• Cpplusworld CP-Uvr-0401l1-4kh Firmware: before 4.000.00at008.0.0.r20230302 (fixed in 4.000.00at008.0.0.r20230302)
• Cpplusworld CP-Uvr-0401l1b-4kh Firmware: before 4.000.00at008.0.0.r20230302 (fixed in 4.000.00at008.0.0.r20230302)
• Cpplusworld CP-Uvr-0801f1-Hc Firmware: before 4.000.00at008.0.0.r20230302 (fixed in 4.000.00at008.0.0.r20230302)
• Cpplusworld CP-Uvr-0801k1-H Firmware: before 4.000.00at008.0.0.r20230302 (fixed in 4.000.00at008.0.0.r20230302)
• Cpplusworld CP-Uvr-0801k1b-H Firmware: before 4.000.00at008.0.0.r20230302 (fixed in 4.000.00at008.0.0.r20230302)
• Cpplusworld CP-Uvr-0808k1-H Firmware: before 4.000.00at008.0.0.r20230302 (fixed in 4.000.00at008.0.0.r20230302)
• Cpplusworld CP-Uvr-1601e1-H Firmware: before 4.000.00at008.0.0.r20230302 (fixed in 4.000.00at008.0.0.r20230302)
• Cpplusworld CP-Uvr-1601e1-Hc Firmware: before 4.000.00at008.0.0.r20230302 (fixed in 4.000.00at008.0.0.r20230302)
• Cpplusworld CP-Uvr-1601e2-H Firmware: before 4.000.00at008.0.0.r20230302 (fixed in 4.000.00at008.0.0.r20230302)

Published 2023-08-24. Last modified 2026-06-17.