CVE-2026-94101 Netcore NBR200V2 routerd vlan_load_form_uci buffer overflow
Remote attackers can trigger a buffer overflow in the routerd daemon via the wan_num argument, potentially leading to code execution or privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-94101?
CVE-2026-94101 is a critical memory corruption vulnerability in Netcore NBR200V2, published on 21 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A security vulnerability has been detected in Netcore NBR200V2 1.3.241127.071246. The affected element is the function vlan_load_form_uci of the file /usr/bin/routerd. The manipulation of the argument wan_num leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-94101?
How do I fix CVE-2026-94101?
No fix has been published for CVE-2026-94101 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-94101 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-94101 exists.
Sources
Also known as GHSA-pxf5-37xw-xhx8.