# CVE-2026-76867

## Summary

- **CVE ID:** CVE-2026-76867
- **Severity:** MEDIUM
- **CVSS Score:** 5.4 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N)
- **CWE:** CWE-79
- **Published:** Sep 15, 2026
- **Last Modified:** Sep 17, 2026

## Description

Netcore NR255-V firmware version 1.5.130703 contains a stored cross-site scripting vulnerability in routing and NAT configuration CGI components including routing_tab_add_cgi, routing_table_list_show_cgi, route_policy_add_cgi, and route_policy_parame_show_cgi. Attackers can inject persistent script payloads through these route and NAT configuration pages, which are then executed in the context of users viewing the affected pages.

## Affected Products

- Netcore — NR255-V (1.5.130703)

## References

- [CNA](https://github.com/draw-ctf/netcore-router-public-refs/blob/main/2026.08.19-netcore-nr255v-route-nat-stored-xss.md)
- [CNA](https://www.vulncheck.com/advisories/netcore-nr255-v-1.5.130703-stored-cross-site-scripting-in-route-nat-configuration-cgi-handlers)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.18%
- **EPSS Percentile:** 8.0

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._