OS Command Injection Vulnerability in Shibby Tomato Router Firmware
CVE-2026-10872

8.6HIGH

Key Information:

Vendor

Shibby

Status
Tomato
Vendor
CVE Published:
4 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-10872?

A security flaw has been identified in Shibby Tomato 1.28.0000 firmware, specifically affecting the 'start_vpnserver' function within the Web UI component located in /sbin/rc. This vulnerability permits remote attackers to execute arbitrary OS commands on the affected devices, potentially leading to unauthorized access and control. The issue has been publicly disclosed, emphasizing the urgency for users to assess their systems and apply necessary mitigations or upgrades. It's important to note that this firmware version is no longer maintained, with FreshTomato being the recommended successor.

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-2026-10872 - Proof of Concept

References

https://vuldb.com/vuln/368362
vdb-entrytechnical-description
https://vuldb.com/vuln/368362/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-10872
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
.