CVE-2026-76865

Summary

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.

Affected Software

Weaknesses

• CWE-476: NULL Pointer Dereference

References

• https://github.com/draw-ctf/netcore-router-public-refs/blob/main/2026.08.19-netcore-nr255v-null-deref-atoi.md
• https://www.vulncheck.com/advisories/netcore-nr255-v-1.5.130703-null-pointer-dereference-via-unchecked-atoi-in-qos-setter-handlers

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