CVE-2026-15548 Shibby Tomato DNS List Rendering httpd sub_407220 stack-based overflow
Remote attackers can trigger a stack-based buffer overflow in the httpd service, potentially leading to code execution or denial of service on Shibby Tomato routers.
- 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-2026-15548?
CVE-2026-15548 is a high-severity memory corruption vulnerability in Shibby Tomato, published on 13 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A security vulnerability has been detected in Shibby Tomato up to 1.28.0000. This vulnerability affects the function sub_407220 of the file /usr/sbin/httpd of the component DNS List Rendering. The manipulation leads to stack-based buffer overflow. The attack is possible to be carried out remotely. This project is superseded by FreshTomato.
Which versions are affected by CVE-2026-15548?
How do I fix CVE-2026-15548?
No fix has been published for CVE-2026-15548 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-2026-15548 being exploited?
There is no known exploitation of CVE-2026-15548 in the wild and no public exploit code.
Sources
Also known as GHSA-8v45-wh54-g7vm.