CVE-2026-13517 Tenda JD12L WifiBasicSet formWifiBasicSet stack-based overflow
Remote attackers can trigger a stack-based buffer overflow in the Tenda JD12L router via the WifiBasicSet interface, potentially leading to code execution or service disruption.
- 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-2026-13517?
CVE-2026-13517 is a high-severity memory corruption vulnerability in Tenda JD12L, published on 29 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A flaw has been found in Tenda JD12L 16.03.53.23. The impacted element is the function formWifiBasicSet of the file /goform/WifiBasicSet. Executing a manipulation of the argument security_5g can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been published and may be used.
Which versions are affected by CVE-2026-13517?
How do I fix CVE-2026-13517?
No fix has been published for CVE-2026-13517 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-2026-13517 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-13517 exists.
Sources
Also known as GHSA-38gh-hfgh-77mp.