CVE-2026-101000 Netcore NBR100V2 ACL unauthenticated.json uci.apply authorization

Critical 10.0 Published Updated

Remote attackers can bypass authorization in Netcore NBR100V2 routers via the uci.apply function, potentially leading to privilege escalation or code execution.

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

What is CVE-2026-101000?

CVE-2026-101000 is a critical missing authorization vulnerability in Netcore NBR100V2, published on 28 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability was determined in Netcore NBR100V2 1.3.240614.030928. This affects the function uci.apply of the file /usr/share/rpcd/acl.d/unauthenticated.json of the component ACL Handler. This manipulation of the argument section causes missing authorization. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-863, CWE-862

Which versions are affected by CVE-2026-101000?

How do I fix CVE-2026-101000?

No fix has been published for CVE-2026-101000 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-101000 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-101000 exists.

Sources

Also known as GHSA-cxfg-m6vc-37mp.

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