OS Command Injection Vulnerability in Shibby Tomato Router Software
CVE-2026-19035

8.6HIGH

Key Information:

Vendor

Shibby

Status
Tomato
Vendor
CVE Published:
6 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-19035?

A vulnerability in Shibby Tomato 1.28.0000 allows for OS command injection through improper handling of the new_qoslimit_enable argument in the new_qoslimit_start function within the file /etc/qoslimit. This flaw may be exploited remotely, enabling attackers to execute arbitrary commands on the system. Given that exploit details are publicly available, it is crucial for users to secure their devices, especially since this project is superseded by FreshTomato.

Affected Version(s)

Tomato 1.28.0000

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-19035 - Proof of Concept

References

https://vuldb.com/vuln/386454
vdb-entrytechnical-description
https://vuldb.com/vuln/386454/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19035
third-party-advisory

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

WH-YHUST (VulDB User)
VulDB CNA Team
.