How severe is CVE-2024-39949?

CVE-2024-39949 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-39949 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-39949?

CVE-2024-39949 primarily affects Dahuasecurity Nvr4104-4ks2/l Firmware. In total, 56 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-39949?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-39949 have an EU (EUVD) identifier?

Yes. CVE-2024-39949 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38317.

When was CVE-2024-39949 published?

CVE-2024-39949 was published on 2024-07-31 and last updated on 2026-06-17.

CVE-2024-39949

CVE-2024-39949 is a high-severity vulnerability in Dahuasecurity Nvr4104-4ks2/l Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-617.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-38317
Weakness: CWE-617
Affected product: Dahuasecurity Nvr4104-4ks2/l Firmware
Published: 2024-07-31
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2024-39949?: A vulnerability has been found in Dahua products. Attackers can send carefully crafted data packets to the interface with vulnerabilities, causing the device to crash.
How severe is CVE-2024-39949?: CVE-2024-39949 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-39949 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-39949?: CVE-2024-39949 primarily affects Dahuasecurity Nvr4104-4ks2/l Firmware. In total, 56 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-39949?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-39949 have an EU (EUVD) identifier?: Yes. CVE-2024-39949 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38317.
When was CVE-2024-39949 published?: CVE-2024-39949 was published on 2024-07-31 and last updated on 2026-06-17.

References

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

Affected products (56)

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:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:nvr4232-16p-4ks2\/l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:nvr4116hs-4ks2\/l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:nvr4416-4ks2\/i_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:nvr4416-16p-4ks2\/i_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:nvr4432-16p-4ks2\/i_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:nvr4816-4ks2\/i_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:nvr4816-16p-4ks2\/i_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:nvr4832-4ks2\/i_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:nvr4832-16p-4ks2\/i_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:nvr4432-4ks2\/i_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:nvr4232-4ks3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:nvr4232-16p-4ks3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:nvr4216-4ks3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:nvr4216-16p-4ks3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:nvr4208-8p-4ks3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:nvr4208-4ks3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:nvr4204-p-4ks3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:nvr4204-4ks3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:nvr4116hs-8p-4ks3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:nvr4116hs-4ks3_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Dahuasecurity Nvr4104-4ks2/l Firmware

CVE-2024-39950 — High (CVSS 8.6): A vulnerability has been found in Dahua products. Attackers can send carefully crafted data packets to the interface…
CVE-2024-39948 — High (CVSS 7.5): A vulnerability has been found in Dahua products. Attackers can send carefully crafted data packets to the interface…
CVE-2024-39944 — High (CVSS 7.5): A vulnerability has been found in Dahua products.Attackers can send carefully crafted data packets to the interface…
CVE-2024-39947 — Medium (CVSS 6.5): A vulnerability has been found in Dahua products.After obtaining the ordinary user's username and password, the…
CVE-2024-39946 — Medium (CVSS 6.0): A vulnerability has been found in Dahua products.After obtaining the administrator's username and password, the…
CVE-2024-39945 — Medium (CVSS 4.9): A vulnerability has been found in Dahua products. After obtaining the administrator's username and password, the…

All CVEs affecting Dahuasecurity Nvr4104-4ks2/l Firmware →

Other CWE-617 (Reachable Assertion) vulnerabilities

CVE-2020-3615 — Critical (CVSS 9.8): Valid deauth/disassoc frames is dropped in case if RMF is enabled and some rouge peer keep on sending rogue…
CVE-2019-9795 — Critical (CVSS 9.8): A vulnerability where type-confusion in the IonMonkey just-in-time (JIT) compiler could potentially be used by…
CVE-2026-31739 — High (CVSS 8.8): In the Linux kernel, the following vulnerability has been resolved: crypto: tegra - Add missing CRYPTO_ALG_ASYNC The…
CVE-2020-12417 — High (CVSS 8.8): Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in…
CVE-2020-6623 — High (CVSS 8.8): stb stb_truetype.h through 1.22 has an assertion failure in stbtt__cff_get_index.
CVE-2020-6619 — High (CVSS 8.8): stb stb_truetype.h through 1.22 has an assertion failure in stbtt__buf_seek.

Browse all CWE-617 (Reachable Assertion) vulnerabilities →