CVE-2026-2533 Tosei Self-service Washing Machine tosei_datasend.php command injection
Remote attackers can execute arbitrary commands via the adr_txt_1 argument in tosei_datasend.php on Tosei washing machines.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-2533?
CVE-2026-2533 is a medium-severity command injection vulnerability in Tosei Self-service Washing Machine, published on 16 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A flaw has been found in Tosei Self-service Washing Machine 4.02. Impacted is an unknown function of the file /cgi-bin/tosei_datasend.php. Executing a manipulation of the argument adr_txt_1 can lead to command injection. It is possible to launch the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-2533?
How do I fix CVE-2026-2533?
No fix has been published for CVE-2026-2533 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-2026-2533 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2533 exists.
Sources
Also known as GHSA-4833-xmjg-923x.