SSRF in 648540858 Wvp-Gb28181-Pro

CVE-2026-3966

A vulnerability was detected in 648540858 wvp-GB28181-pro up to 2.7.4-20260107. Affected by this vulnerability is the function getDownloadFilePath of the file /src/main/java/com/genersoft/iot/vmp/media/abl/ABLMediaNodeServerService.java of the component IP Address Handler. The manipulation of the argument MediaServer.streamIp results in server-side request forgery. The attack may be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.003 (25.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 25.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-3966: held from 0.002 to 0.003.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-3966?
CVE-2026-3966 is a medium-severity vulnerability in 648540858 Wvp-Gb28181-Pro, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.3/10. Published 2026-03-12.
How severe is CVE-2026-3966?
Medium severity. CVSS v3 base score is 6.3 out of 10.