CVE-2023-3704

Timestamp Modification Vulnerability in CP-Plus Digital Video Recorder

MEDIUM
5.3
CVSS Score
Published: August 24, 2023 at 06:42 AM UTC
Updated: June 17, 2026 at 06:14 AM UTC
27 products affected across 2 vendorsCp Uvr 0401L1B 4KH FirmwareCp Uvr 1601E1 Hc FirmwareCp Uvr 0401L1 4KH Firmware

Using CP-UVR-1601E1-HC, CP-UVR-1601E2-H, CP-UVR-1601E1-H, CP-UVR-0801F1-HC, CP-UVR-0801K1-H, CP-UVR-0801K1B-H, CP-UVR-0808K1-H, CP-UVR-0401L1-4KH, CP-UVR-0401L1B-4KH by Aditya Infotech Limited?

Get instant alerts when new vulnerabilities affect CP-UVR-1601E1-HC, CP-UVR-1601E2-H, CP-UVR-1601E1-H, CP-UVR-0801F1-HC, CP-UVR-0801K1-H, CP-UVR-0801K1B-H, CP-UVR-0808K1-H, CP-UVR-0401L1-4KH, CP-UVR-0401L1B-4KH - before attackers find them.

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 4.000.00at008.0.0.r20230302
Affected range stops below 4.000.00at008.0.0.r20230302, so it looks safe — our inference, not a vendor statement
cpplusworld-cp-uvr-0401l1-4kh (same device)
v < 4.000.00at008.0.0.r20230302
Affected range stops below 4.000.00at008.0.0.r20230302, so it looks safe — our inference, not a vendor statement
cpplusworld-cp-uvr-0401l1b-4kh (same device)
v < 4.000.00at008.0.0.r20230302
Affected range stops below 4.000.00at008.0.0.r20230302, so it looks safe — our inference, not a vendor statement
cpplusworld-cp-uvr-0801f1-hc (same device)
v < 4.000.00at008.0.0.r20230302
Affected range stops below 4.000.00at008.0.0.r20230302, so it looks safe — our inference, not a vendor statement
cpplusworld-cp-uvr-0801k1-h (same device)
v < 4.000.00at008.0.0.r20230302
Affected range stops below 4.000.00at008.0.0.r20230302, so it looks safe — our inference, not a vendor statement
cpplusworld-cp-uvr-0801k1b-h (same device)
v < 4.000.00at008.0.0.r20230302
Affected range stops below 4.000.00at008.0.0.r20230302, so it looks safe — our inference, not a vendor statement
cpplusworld-cp-uvr-0808k1-h (same device)
v < 4.000.00at008.0.0.r20230302
Affected range stops below 4.000.00at008.0.0.r20230302, so it looks safe — our inference, not a vendor statement
cpplusworld-cp-uvr-1601e1-h (same device)
v < 4.000.00at008.0.0.r20230302
Affected range stops below 4.000.00at008.0.0.r20230302, so it looks safe — our inference, not a vendor statement
cpplusworld-cp-uvr-1601e1-hc (same device)
v < 4.000.00at008.0.0.r20230302
Affected range stops below 4.000.00at008.0.0.r20230302, so it looks safe — our inference, not a vendor statement
cpplusworld-cp-uvr-1601e2-h (same device)
v < 4.000.00AT008.0.R.20230302
Affected range stops below 4.000.00AT008.0.R.20230302, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMCERT-In
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20

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