Shibby Tomato up to 1.28.0000 apcupsd tomatodata.cgi getupsvar Field stack-based overflow

Summaryinfo

A vulnerability was found in Shibby Tomato up to 1.28.0000. It has been declared as critical. Affected by this vulnerability is the function getupsvar of the file www/apcupsd/tomatodata.cgi of the component apcupsd. Such manipulation of the argument Field leads to stack-based overflow. This vulnerability is traded as CVE-2026-15544. The attack may be launched remotely. Furthermore, there is an exploit available. This project is superseded by FreshTomato.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Shibby Tomato up to 1.28.0000. Affected by this issue is the function getupsvar of the file www/apcupsd/tomatodata.cgi of the component apcupsd. The manipulation of the argument field with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability.

The advisory is available at gitee.com. This vulnerability is handled as CVE-2026-15544. The exploitation is known to be easy. The attack may be launched remotely. Technical details as well as a public exploit are known.

The exploit is available at gitee.com. It is declared as proof-of-concept. This project is superseded by FreshTomato.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Shibby

Name

• Tomato

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22
• 1.23
• 1.24
• 1.25
• 1.26
• 1.27
• 1.28.0000

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
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Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Submitinfo

Accepted

• Submit #855110: Tomato by Shibby Tomato Firmware 1.28 Stack-based Buffer Overflow (by gitee.com)

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