CVE-2026-76858
4.8
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Summary
Netcore NR255-V version 1.5.130703 contains a stored cross-site scripting vulnerability in ddns_wan_list_show.cgi caused by unsafe eval() handling of DDNS data. Attackers can inject malicious script through the DDNS configuration path, leading to persistent execution when the affected page is viewed.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Netcore | NR255-V | 1.5.130703 | affected |
Weaknesses
- CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References
- https://github.com/draw-ctf/netcore-router-public-refs/blob/main/2026.08.19-netcore-nr255v-ddns-stored-xss.md
- https://www.vulncheck.com/advisories/netcore-nr255-v-1.5.130703-stored-cross-site-scripting-via-ddns-eval-in-ddns-wan-list-show-cgi
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