CVE-2026-15544

Shibby Tomato apcupsd tomatodata.cgi getupsvar stack-based overflow

State: Published
Severity: 8.7 High
Published: Jul 13, 2026
Updated: Jul 13, 2026
Reserved: Jul 12, 2026

Description

A vulnerability was determined in Shibby Tomato up to 1.28.0000. Affected is the function getupsvar of the file www/apcupsd/tomatodata.cgi of the component apcupsd. This manipulation of the argument Field causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. This project is superseded by FreshTomato.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P	VulDB
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R	VulDB
3.0	8.8 High	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R	VulDB
2.0	9.0 High	AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR	VulDB

Weaknesses

CWE-121 Stack-based Buffer Overflow
CWE-119 Memory Corruption

Affected Products

Product	Versions
TomatoShibby	1.0Affected 1.1Affected 1.2Affected 1.3Affected 1.4Affected 1.5Affected 1.6Affected 1.7Affected 1.8Affected 1.9Affected 1.10Affected 1.11Affected 1.12Affected 1.13Affected 1.14Affected 1.15Affected 1.16Affected 1.17Affected 1.18Affected 1.19Affected 1.20Affected 1.21Affected 1.22Affected 1.23Affected 1.24Affected and 4 more versions

References

VDB-377894 | Shibby Tomato apcupsd tomatodata.cgi getupsvar stack-based overflowvdb-entrytechnical-description
VDB-377894 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
CVE-2026-15544 | CVE Analysis and Reportthird-party-advisory
Submit #855110 | Tomato by Shibby Tomato Firmware 1.28 Stack-based Buffer Overflowthird-party-advisory
https://gitee.com/Fengyi-Wang/CVE/issues/IJTQ5Mexploitissue-tracking

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.