CVE-2026-76856CWE-352csrf

CVE-2026-76856

High · published September 16, 2026

CVSS v3.1
8.1
EPSS
0%
Percentile
8.2
In the wild
Unconfirmed
What it is

Netcore NR255-V firmware version 1.5.130703 contains a cross-site request forgery vulnerability affecting the wan_config_set_cgi, wan_num_set_cgi, and lan_ip_change_cgi endpoints. Attackers can craft forged requests to trick authenticated administrators into modifying WAN or LAN network configuration settings without consent.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
CVSS v4.0
7.0 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00190 · 8.2th percentile
Weakness
CWE-352 · Cross-Site Request Forgery (CSRF)
Published
2026-09-16T02:16Z
References (2)
https://github.com/draw-ctf/netcore-router-public-refs/blob/main/2026.08.19-netcore-nr255v-csrf-wan-reconfig.md · [email protected]https://www.vulncheck.com/advisories/netcore-nr255-v-1.5.130703-cross-site-request-forgery-in-wan-lan-configuration-endpoints · [email protected]
EPSS history
Timeline
  • 17 SEP 03:32Z
    EPSS moved — → 0%
    epss
  • 15 SEP 21:57Z
    Netcore NR255-V 1.5.130703 Cross-Site Request Forgery in WAN/LAN Configuration Endpoints
    cvelistv5