CVE-2026-76858 — MEDIUM (4.8)

Vulnerability Description

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.

CVSS Score

4.8

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-79

References

FAQ

What is CVE-2026-76858?

CVE-2026-76858 is a vulnerability with a CVSS score of 4.8 (MEDIUM). 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 t...

How severe is CVE-2026-76858?

CVE-2026-76858 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-76858?

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