What is the CVSS score of CVE-2024-39945?

CVE-2024-39945 has a CVSS 3.1 base score of 4.9 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.5%.

Nvr4416 16P 4Ks2 I Firmware CVE-2024-39945

MEDIUM

Improper Check or Handling of Exceptional Conditions (CWE-703)

2024-07-31 cybersecurity@dahuatech.com

4.9

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-703 OWASP Top 10:2025 A10:2025 - Mishandling of Exceptional Conditions ASVS 5.0 V16 - Security Logging and Error Handling Exception handling framework
Impact	CVSS score of 4.9 (MEDIUM). Attack characteristics: network attack vector, low complexity, high privileges required, no user interaction not required.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.5% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

A vulnerability has been found in Dahua products. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-703. A vulnerability has been found in Dahua products. After obtaining the administrator's username and password, the attacker can send a carefully crafted data packet to the interface with vulnerabilities, causing the device to crash. Affected products include: Dahuasecurity Nvr4104-4Ks2\/L Firmware, Dahuasecurity Nvr4108-4Ks2\/L Firmware, Dahuasecurity Nvr4116-4Ks2\/L Firmware, Dahuasecurity Nvr4104-P-4Ks2\/L Firmware, Dahuasecurity Nvr4108-P-4Ks2\/L Firmware.

Know when Nvr4416 16P 4Ks2 I Firmware gets its next vulnerability

Watch products and get an email when something new is published
Check this CVE against your own stack and servers
Exploit and PoC references, threat intelligence from 22 sources

Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 4.9 MEDIUM

AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

DescriptionNVD

A vulnerability has been found in Dahua products. After obtaining the administrator's username and password, the attacker can send a carefully crafted data packet to the interface with vulnerabilities, causing the device to crash.

Threat Intelligence Overview

EPSS Score

0.5%

Top 63% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.5%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +24

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)NVD

cpe:2.3:o:dahuasecurity:nvr4104-4ks2\/l_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:nvr4108-4ks2\/l_firmware:4.003.0000000.1.r.240515:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:nvr4116-4ks2\/l_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:nvr4104-p-4ks2\/l_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:nvr4108-p-4ks2\/l_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:nvr4108-8p-4ks2\/l_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:nvr4116-8p-4ks2\/l_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:nvr4104hs-4ks2\/l_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:nvr4108hs-4ks2\/l_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:nvr4104hs-p-4ks2\/l_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:nvr4108hs-p-4ks2\/l_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:nvr4108hs-8p-4ks2\/l_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:nvr4116hs-8p-4ks2\/l_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:nvr4204-4ks2\/l_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:nvr4208-4ks2\/l_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:nvr4216-4ks2\/l_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:nvr4204-p-4ks2\/l_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:nvr4208-8p-4ks2\/l_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:nvr4216-16p-4ks2\/l_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:dahuasecurity:nvr4232-4ks2\/l_firmware:*:*:*:*:*:*:*:*

+ 36 more

More in Nvr4416 16P 4Ks2 I Firmware

View all

CVE-2024-39950 CRITICAL Act Now

9.8 Jul 31

A vulnerability has been found in Dahua products. Rated critical severity (CVSS 9.8), this vulnerability is remotely exp

CVE-2024-39949 HIGH This Week

7.5 Jul 31

A vulnerability has been found in Dahua products. Rated high severity (CVSS 7.5), this vulnerability is remotely exploit

CVE-2024-39948 HIGH This Week

7.5 Jul 31

A vulnerability has been found in Dahua products. Rated high severity (CVSS 7.5), this vulnerability is remotely exploit

CVE-2024-39944 HIGH This Week

7.5 Jul 31

A vulnerability has been found in Dahua products.Attackers can send carefully crafted data packets to the interface with

CVE-2024-39946 HIGH This Week

7.2 Jul 31

A vulnerability has been found in Dahua products.After obtaining the administrator's username and password, the attacker

CVE-2024-39947 MEDIUM This Month

6.5 Jul 31

A vulnerability has been found in Dahua products.After obtaining the ordinary user's username and password, the attacker

Same weakness CWE-703 – Improper Check or Handling of Exceptional Conditions

View all

CVE-2019-5031 HIGH POC

8.8

CVE-2019-11245 HIGH POC

7.8

CVE-2025-14874 HIGH POC

7.5

CVE-2025-61601 HIGH POC

7.5

CVE-2025-61602 HIGH POC

7.5

CVE-2025-59531 HIGH POC

7.5

CVE-2026-20329 CRITICAL

9.9

CVE-2025-68135 MEDIUM POC

6.5

Same technique Denial Of Service

View all

CVE-2015-5119 CRITICAL POC

9.8

CVE-2011-2462 CRITICAL POC

9.8

CVE-2011-0611 HIGH POC

8.8

CVE-2012-1889 HIGH POC

8.8

CVE-2012-0507 CRITICAL POC

9.8

CVE-2014-1761 HIGH POC

7.8

CVE-2015-5122 CRITICAL POC

9.8

CVE-2011-0609 HIGH POC

7.8

References

Advisories & patches

ADVISORY https://www.dahuasecurity.com/aboutUs/trustedCenter/details/768

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

Back