CVE-2026-15546 Shibby Tomato start_jffs2 sub_2D568 os command injection
Remote attackers can execute arbitrary OS commands via the jffs2_exec argument in Shibby Tomato firmware, which is now end-of-life.
- 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-2026-15546?
CVE-2026-15546 is a medium-severity command injection 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 flaw has been discovered in Shibby Tomato up to 1.28.0000. Affected by this issue is the function sub_2D568 of the component start_jffs2. Performing a manipulation of the argument jffs2_exec results in os command injection. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. This project is superseded by FreshTomato.
Which versions are affected by CVE-2026-15546?
How do I fix CVE-2026-15546?
No fix has been published for CVE-2026-15546 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-2026-15546 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15546 exists.
Sources
Also known as GHSA-pmqw-wcwq-2pqr.