CVE-2026-76857 — MEDIUM (6.5)

Vulnerability 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.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Related Weaknesses (CWE)

CWE-522

References

FAQ

What is CVE-2026-76857?

CVE-2026-76857 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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...

How severe is CVE-2026-76857?

CVE-2026-76857 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-76857?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.