CVE-2026-94098 Netcore NBR200V2 Firmware Upgrade CGI Endpoint upgrade command injection
Remote attackers can execute arbitrary commands on Netcore NBR200V2 routers via the firmware upgrade CGI endpoint due to improper input validation.
- 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-2026-94098?
CVE-2026-94098 is a critical command injection vulnerability in Netcore NBR200V2, published on 21 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A vulnerability was identified in Netcore NBR200V2 1.3.241127.071246. This vulnerability affects unknown code of the file /www/cgi-bin/upgrade of the component Firmware Upgrade CGI Endpoint. Such manipulation of the argument QUERY_STRING leads to command injection. The attack can be executed remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-94098?
How do I fix CVE-2026-94098?
No fix has been published for CVE-2026-94098 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-94098 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-94098 exists.
Sources
Also known as GHSA-4w3j-cmwq-6m3q.