NULL pointer dereference in Netcore Nr255-V
CVE-2026-76865
Netcore NR255-V version 1.5.130703 contains a null pointer dereference vulnerability in the QoS setter CGI handlers filter_conn_del_cgi.c and gre_prio_set_cgi.c due to unchecked atoi() results. An attacker can trigger the flaw by supplying crafted input to these handlers, causing a denial of service.
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Netcore Nr255-v — versions 1.5.130703
Weakness classification (CWE)
References
- disclosure@vulncheck.com (third-party-advisory)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-76865?
- CVE-2026-76865 is a medium-severity vulnerability in Netcore Nr255-V, classified under NULL Pointer Dereference. CVSS score: 4.9/10. Published 2026-09-15.
- How severe is CVE-2026-76865?
- Medium severity. CVSS v3 base score is 4.9 out of 10.