What is CVE-2026-76871?

CVE-2026-76871 is a medium-severity vulnerability in Netcore Nr255-V, classified under Insufficiently Protected Credentials. CVSS score: 6.5/10. Published 2026-09-15.

How severe is CVE-2026-76871?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Netcore Nr255-V

CVE-2026-76871

Netcore NR255-V version 1.5.130703 contains a sensitive information disclosure vulnerability in mod_vpn_remote/plan.json, pptpd_user_show.cgi, pptp_client_config_show.cgi, and l2tpd_user_show.cgi. Attackers can leverage these components to obtain PPTP and L2TP VPN credentials.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Netcore Nr255-v — versions 1.5.130703

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

References

disclosure@vulncheck.com (third-party-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-76871?: CVE-2026-76871 is a medium-severity vulnerability in Netcore Nr255-V, classified under Insufficiently Protected Credentials. CVSS score: 6.5/10. Published 2026-09-15.
How severe is CVE-2026-76871?: Medium severity. CVSS v3 base score is 6.5 out of 10.