CVE-2026-76863CWE-863broken-access-control

CVE-2026-76863

Medium · published September 16, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
19.5
In the wild
Unconfirmed
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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
EPSS
0.00281 · 19.5th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-09-16T02:17Z
References (2)
https://github.com/draw-ctf/netcore-router-public-refs/blob/main/2026.08.19-netcore-nr255v-qos-telemetry-disclosure.md · [email protected]https://www.vulncheck.com/advisories/netcore-nr255-v-1.5.130703-sensitive-information-disclosure-via-qos-bandwidth-plan-routes · [email protected]
EPSS history
Timeline
  • 17 SEP 03:32Z
    EPSS moved — → 0%
    epss
  • 15 SEP 21:57Z
    Netcore NR255-V 1.5.130703 Sensitive Information Disclosure via QoS Bandwidth Plan Routes
    cvelistv5