What is CVE-2026-111710?

CVE-2026-111710 is a high-severity vulnerability, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2026-10-16.

How severe is CVE-2026-111710?

High severity. CVSS v3 base score is 7.5 out of 10.

CVE-2026-111710

CVE-2026-111710

Netcore NR256CN through 1.5.140116 contains a NULL pointer dereference vulnerability in the Boa web server's user_auth() function that allows unauthenticated attackers to crash the server via a malformed Authorization header. Attackers can send a Basic Authorization value lacking a colon, such as one decoding to a single character, to protected routes like /router/get_user_type.cgi to kill the main Boa process and deny management interface access.

Published 2026-10-16 · last modified 2026-10-16.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

github.com/lukadqq/netcore-router-public-refs/blob/a44d562736b41c944223297e9144… (third-party-advisory)
www.vulncheck.com/advisories/netcore-nr256cn-through-1.5.140116-boa-web-server-… (third-party-advisory)

Frequently asked questions

What is CVE-2026-111710?: CVE-2026-111710 is a high-severity vulnerability, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2026-10-16.
How severe is CVE-2026-111710?: High severity. CVSS v3 base score is 7.5 out of 10.