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CVE-2026-19036: OS Command Injection in Shibby Tomato

0
High
Published: 08/06/2026 (08/06/2026, 12:00:13 UTC)
Source: CVE Database V5
Vendor/Project: Shibby
Product: Tomato

Description

CVE-2026-19036 is a high-severity OS command injection vulnerability in Shibby Tomato version 1.28.0000. It affects the function sub_40F88C in the file /tmp/ppp/wanoptions, where manipulation of the ppp_custom argument allows remote attackers to execute arbitrary OS commands. The vulnerability is exploitable remotely, and public exploit code has been released. The Shibby Tomato project has been superseded by FreshTomato. No official patch or remediation guidance is currently documented.

CVSS v4.0

Score 8.6high

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
High
User Interaction
None
Vuln. Confidentiality
High
Vuln. Integrity
High
Vuln. Availability
High
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

Affected software

Shibby

Tomato

Affected versions
=1.28.0000
GitHub Actionsmore threats →ai
shibby/tomato
pkg:github/shibby/tomato
Affected versions
=1.28.0000
CPE configurations
cpe:2.3:a:shibby:tomato:*:*:*:*:*:*:*:*

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/13/2026, 17:04:05 UTC

Technical Analysis

This vulnerability in Shibby Tomato 1.28.0000 involves an OS command injection flaw in the sub_40F88C function of /tmp/ppp/wanoptions. By manipulating the ppp_custom argument, an attacker can inject and execute arbitrary operating system commands remotely. The vulnerability has a CVSS 4.0 score of 8.6, indicating high severity with network attack vector, low attack complexity, and no user interaction required. Exploit code is publicly available, increasing the risk of exploitation. The project is no longer actively maintained, having been superseded by FreshTomato.

Potential Impact

Successful exploitation allows remote attackers to execute arbitrary OS commands on affected devices running Shibby Tomato 1.28.0000. This can lead to full system compromise, unauthorized control, and potential disruption of network services. The availability of public exploit code increases the likelihood of attacks.

Mitigation Recommendations

No official patch or remediation is currently documented for this vulnerability. Since the Shibby Tomato project is superseded by FreshTomato, users are advised to migrate to FreshTomato or other actively maintained firmware versions. Until a fix is available, restricting remote access to affected devices and disabling vulnerable features may reduce exposure. Monitor vendor advisories for updates.

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Technical Details

Data Version
5.2
Assigner Short Name
VulDB
Date Reserved
2026-08-06T05:47:42.809Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6a74811abf8831d539b58c0e

Added to database: 08/06/2026, 12:42:02 UTC

Last enriched: 08/13/2026, 17:04:05 UTC

Last updated: 09/18/2026, 05:58:01 UTC

Views: 55

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