How severe is CVE-2026-3797?

CVE-2026-3797 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-2026-3797 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-3797?

CVE-2026-3797 affects Tiandy Video Surveillance System Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-3797?

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

Does CVE-2026-3797 have an EU (EUVD) identifier?

Yes. CVE-2026-3797 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10289.

When was CVE-2026-3797 published?

CVE-2026-3797 was published on 2026-03-09 and last updated on 2026-06-17.

CVE-2026-3797

CVE-2026-3797 is a medium-severity vulnerability in Tiandy Video Surveillance System Firmware with a CVSS 3.x base score of 6.3. 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-434.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-10289
Weakness: CWE-434
Affected product: Tiandy Video Surveillance System Firmware
Published: 2026-03-09
Last modified: 2026-06-17

Description

A security vulnerability has been detected in Tiandy Video Surveillance System 视频监控平台 7.17.0. The impacted element is the function uploadFile of the file /src/com/tiandy/easy7/core/rest/CLS_REST_File.java. The manipulation of the argument fileName leads to unrestricted upload. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2026-3797?: A security vulnerability has been detected in Tiandy Video Surveillance System 视频监控平台 7.17.0. The impacted element is the function uploadFile of the file /src/com/tiandy/easy7/core/rest/CLS_REST_File.java. The manipulation of the argument fileName leads to unrestricted upload. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2026-3797?: CVE-2026-3797 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-2026-3797 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-3797?: CVE-2026-3797 affects Tiandy Video Surveillance System Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-3797?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-3797 have an EU (EUVD) identifier?: Yes. CVE-2026-3797 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10289.
When was CVE-2026-3797 published?: CVE-2026-3797 was published on 2026-03-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tiandy:video_surveillance_system_firmware:7.17.0:*:*:*:*:*:*:*

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