CVE-2026-76868 Netcore NR255-V 1.5.130703 NULL Pointer Dereference in route_policy_add.cgi via Missing exit_port

Medium 6.9 Published Updated

Attackers can cause a denial of service on Netcore NR255-V routers by sending requests with a missing exit_port parameter to route_policy_add.cgi.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-76868?

CVE-2026-76868 is a medium-severity vulnerability in Netcore NR255-V, published on 15 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Netcore NR255-V version 1.5.130703 contains a null pointer dereference vulnerability in route_policy_add.cgi caused by a missing exit_port parameter. Attackers can send requests lacking the exit_port field to trigger the null pointer dereference, resulting in a denial of service.

Weakness: CWE-476

Which versions are affected by CVE-2026-76868?

How do I fix CVE-2026-76868?

No fix has been published for CVE-2026-76868 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-76868 being exploited?

There is no known exploitation of CVE-2026-76868 in the wild and no public exploit code.

Sources

Also known as GHSA-qc4h-rf45-7h7x.

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