CVE-2026-13518 Tenda JD12L addressNat fromAddressNat stack-based overflow
A stack-based buffer overflow in the Tenda JD12L router allows remote attackers to execute arbitrary code or cause a denial of service.
- 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-2026-13518?
CVE-2026-13518 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 vulnerability has been found in Tenda JD12L 16.03.53.23. This affects the function fromAddressNat of the file /goform/addressNat. The manipulation of the argument page leads to stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2026-13518?
How do I fix CVE-2026-13518?
No fix has been published for CVE-2026-13518 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-2026-13518 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-13518 exists.
Sources
Also known as GHSA-rh6c-34q4-p28r.