CVE-2026-76863

Medium CVSS 4.3

Published 2026-09-15 · last changed 2026-09-16

The fix

We hold no Microsoft remediation data for CVE-2026-76863, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

Netcore NR255-V version 1.5.130703 contains a sensitive information disclosure vulnerability in the mod_qos_bandwidth plan.json handling within filter_conns_dump_cgi.c and IGD_CgiCall.c. Authenticated users with broad roles can access these QoS read routes to obtain live network telemetry beyond their intended privilege level.

Sources

NVD record for CVE-2026-76863

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N