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CVE-2026-15546— Shibby Tomato start_jffs2 sub_2D568 os command injection

Quick assessment

Affected

Shibby Tomato

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

shibby tomato是shibby的路由器。 Shibby Tomato 1.28.0000及之前版本存在命令注入漏洞，该漏洞源于start_jffs2组件中函数sub_2D568对参数jffs2_exec的操作导致os命令注入，攻击者可能远程利用该漏洞。

CVSS 6.3 · Medium EPSS 1.77% · P78 Updated Jul 14, 2026

Possible ATT&CK Techniques 2 AI

T1190 · Exploit Public-Facing Application T1059.004 · Unix Shell

Affected Version Matrix 29

Vendor	Product	Version Range	Status
Shibby	Tomato	`1.0`	affected
		`1.1`	affected
		`1.2`	affected
		`1.3`	affected
		`1.4`	affected
		`1.5`	affected
		`1.6`	affected
		`1.7`	affected
… +21 more rows

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I. Basic Information for CVE-2026-15546

Vulnerability Information

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Vulnerability Title

Shibby Tomato start_jffs2 sub_2D568 os command injection

Source: CVE Program / CVE List V5

Vulnerability Description

A security flaw has been discovered in Shibby Tomato up to 1.28.0000. Affected by this issue is the function sub_2D568 of the component start_jffs2. Performing a manipulation of the argument jffs2_exec results in os command injection. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. This project is superseded by FreshTomato.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Source: CVE Program / CVE List V5

Vulnerability Type

OS命令中使用的特殊元素转义处理不恰当(OS命令注入)

Source: CVE Program / CVE List V5

Vulnerability Title

Shibby Tomato 命令注入漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Shibby	Tomato	1.0	`cpe:2.3:a:shibby:tomato::::::::`

II. Public POCs for CVE-2026-15546

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2026-15546

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Vendor Advisories for CVE-2026-15546 (1)

🔗 OS command injection in `sbin/rc` `start_jffs2` function via unsanitized NVRAM key `jffs2_exec` in `Tomato by Shibby` firmware · Issue #IJTQ5O · 王丰毅/CVE - Gitee exploit issue-tracking

https://www.cve.org/CVERecord?id=CVE-2026-15546

Same Patch Batch · Shibby · 2026-07-13 · 5 CVEs total

CVE-2026-15544	8.8 HIGH	Shibby Tomato apcupsd tomatodata.cgi getupsvar stack-based overflow
CVE-2026-15545	8.8 HIGH	Shibby Tomato apcupsd tomatodata.cgi main out-of-bounds write
CVE-2026-15548	8.8 HIGH	Shibby Tomato DNS List Rendering httpd sub_407220 stack-based overflow
CVE-2026-15547	6.3 MEDIUM	Shibby Tomato CIFS Mount sub_2D048 os command injection

IV. Related Vulnerabilities

Same product: Tomato

Same vendor: Shibby

Same weakness: CWE-78