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TI-2026-02159 Aliases CVE-2026-2533GHSA-4833-xmjg-923x

Tosei Self-service Washing Machine tosei_datasend.php command injection

Priority HIGH 70CWE-74Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-77.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.03198 88th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ToseiSelf-service Washing Machine4.02—No fix listedCNA
  • Self-service Washing Machine VendorTosei Affected 4.02 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-2533
  2. 2026-10-03 Alias added: GHSA-4833-xmjg-923x

References

  • TI-2026-02536 Tosei Online Store Management System ネット店舗管理システム HTTP POST Request monitor.php system os command injection CVSS 4.0MEDIUM 6.9
  • TI-2026-00919 Tosei Online Store Management System ネット店舗管理システム imode_alldata.php command injection CVSS 4.0MEDIUM 6.9
  • TI-2024-07319 Tosei Online Store Management System ネット店舗管理システム tosei_kikai.php command injection CVSS 4.0MEDIUM 5.3
  • TI-2024-07318 Tosei Online Store Management System ネット店舗管理システム p1_ftpserver.php command injection CVSS 4.0MEDIUM 5.3
  • TI-2024-07320 Tosei Online Store Management System ネット店舗管理システム Backend default credentials CVSS 4.0MEDIUM 6.9

Sources