Is CVE-2026-76857 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-76857?

CVE-2026-76857 has a CVSS v3 severity of MEDIUM (6.5).

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CVE-2026-76857

Description

Netcore NR255-V firmware version 1.5.130703 contains a sensitive information disclosure vulnerability in the ddns_wan_list_show.cgi endpoint and related DDNSset_cgi, IGD_GetCgiHandler, and IGD_CgiCall components. Attackers who reach this CGI handler can obtain plaintext DDNS credentials, exposing sensitive account information.