CVE-2026-3943 H3C ACG1000-AK230 aaa_portal_auth_local_submit command injection
Remote attackers can execute arbitrary commands on H3C ACG1000-AK230 devices via the aaa_portal_auth_local_submit endpoint.
- 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-2026-3943?
CVE-2026-3943 is a medium-severity command injection vulnerability in H3C ACG1000-AK230, published on 11 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was found in H3C ACG1000-AK230 up to 20260227. This affects an unknown part of the file /webui/?aaa_portal_auth_local_submit. The manipulation of the argument suffix results in command injection. The attack can be launched remotely. The exploit has been made public and could be used. The vendor is investigating and remediating this issue.
Which versions are affected by CVE-2026-3943?
How do I fix CVE-2026-3943?
No fix has been published for CVE-2026-3943 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-2026-3943 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3943 exists.
Sources
Also known as GHSA-2xx3-8jg7-cq2x.