CVE-2026-76863

MEDIUMCVSS 4.3

Description

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.

Timeline

Published:September 15th, 2026 10:17 PM

Last modified:September 16th, 2026 8:21 PM

CVSS Scoring

CVSS v3: 4.3 (MEDIUM)

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

Weaknesses (CWE)

CWE-863

References & Reports

Advisories, patches, and third-party reports

https://github.com/draw-ctf/netcore-router-public-refs/blob/main/2026.08.19-netcore-nr255v-qos-telemetry-disclosure.md
https://www.vulncheck.com/advisories/netcore-nr255-v-1.5.130703-sensitive-information-disclosure-via-qos-bandwidth-plan-routes

Source: NIST NVD · Data may lag official sources by up to one minute