OS Command Injection in Shibby Tomato Router Firmware
CVE-2026-15547

5.3MEDIUM

Key Information:

Vendor

Shibby

Status
Tomato
Vendor
CVE Published:
13 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-15547?

A vulnerability has been identified in Shibby Tomato firmware versions up to 1.28.0000, specifically within the CIFS Mount Handler function sub_2D048. This weakness allows for the manipulation of CIFS arguments, potentially resulting in remote OS command injection. The publicly available exploit poses a significant risk as it can be executed remotely, thereby compromising the security of affected devices. Users of Shibby Tomato are advised to transition to FreshTomato for enhanced security.

Affected Version(s)

Tomato 1.0

Tomato 1.1

Tomato 1.2

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-2026-15547 - Proof of Concept

References

https://vuldb.com/vuln/377897
vdb-entrytechnical-description
https://vuldb.com/vuln/377897/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-15547
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
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

VulDB Gitee Analyzer
VulDB CNA Team
.