Vulnerability · Published Sep 15, 2026 · Assigned by VulnCheck
CVE-2026-76857Netcore NR255-V 1.5.130703 Plaintext DDNS Credential Disclosure via ddns_wan_list_show.cgi
Medium 6.5
In plain English
A medium-severity security flaw in NR255-V from Netcore. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.4%top 70.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-522 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N