How severe is CVE-2024-3721?

CVE-2024-3721 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2024-3721 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 86% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-3721?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-3721 have an EU (EUVD) identifier?

Yes. CVE-2024-3721 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-32296.

When was CVE-2024-3721 published?

CVE-2024-3721 was published on 2024-04-13 and last updated on 2026-06-17.

CVE-2024-3721

CVE-2024-3721 is a medium-severity vulnerability with a CVSS 3.x base score of 6.3. Its EPSS exploit-prediction score of 86% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
EPSS exploit prediction: 86% (100th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-32296
Weakness: CWE-78
Published: 2024-04-13
Last modified: 2026-06-17

Description

A vulnerability was found in TBK DVR-4104 and DVR-4216 up to 20240412 and classified as critical. This issue affects some unknown processing of the file /device.rsp?opt=sys&cmd=___S_O_S_T_R_E_A_MAX___. The manipulation of the argument mdb/mdc leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-260573 was assigned to this vulnerability.

Frequently asked questions

What is CVE-2024-3721?: A vulnerability was found in TBK DVR-4104 and DVR-4216 up to 20240412 and classified as critical. This issue affects some unknown processing of the file /device.rsp?opt=sys&cmd=___S_O_S_T_R_E_A_MAX___. The manipulation of the argument mdb/mdc leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-260573 was assigned to this vulnerability.
How severe is CVE-2024-3721?: CVE-2024-3721 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2024-3721 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 86% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-3721?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-3721 have an EU (EUVD) identifier?: Yes. CVE-2024-3721 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-32296.
When was CVE-2024-3721 published?: CVE-2024-3721 was published on 2024-04-13 and last updated on 2026-06-17.

References

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