CVE-2026-10206 D-Link DI-8400 dbsrv.asp stack-based overflow
Remote attackers can trigger a stack-based buffer overflow in the D-Link DI-8400 router via the dbsrv.asp script, potentially leading to arbitrary code execution.
- 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-2026-10206?
CVE-2026-10206 is a high-severity memory corruption vulnerability in D-Link DI-8400, published on 1 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was detected in D-Link DI-8400 up to 16.07.26A1. This affects an unknown function of the file /dbsrv.asp. Performing a manipulation of the argument str results in stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used. The initial researcher advisory mentions contradicting parameter names to be affected.
Which versions are affected by CVE-2026-10206?
How do I fix CVE-2026-10206?
No fix has been published for CVE-2026-10206 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-2026-10206 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-10206 exists.
Sources
Also known as GHSA-h983-438c-387c.