Shibby Tomato apcupsd tomatodata.cgi getupsvar stack-based overflow
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
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 This project is superseded by FreshTomato.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Shibby | Tomato | 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 | — | No fix listed | CNA |
- Tomato VendorShibby Affected 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 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-15544
- 2026-10-03 Alias added: GHSA-hp2q-5cpp-5m3x
References
More Shibby vulnerabilities
- TI-2026-08826 Shibby Tomato miniupnpd resource consumption CVSS 4.0HIGH 8.7
- TI-2026-09330 Shibby Tomato Web UI rc start_dhcpc os command injection CVSS 4.0HIGH 8.6
- TI-2026-13474 Shibby Tomato webmon_recent_domains sub_40BB50 stack-based overflow CVSS 4.0HIGH 8.7
- TI-2026-13084 Shibby Tomato apcupsd tomatodata.cgi main out-of-bounds write CVSS 4.0HIGH 8.7
- TI-2026-08877 Shibby Tomato Zserv ripd rip_zebra_read_ipv4 stack-based overflow CVSS 4.0HIGH 8.7
- TI-2026-08822 Shibby Tomato tomatodata.cgi get_ups_field stack-based overflow CVSS 4.0HIGH 8.7
Sources
- CVE-2026-15544 · CVE Program
- CVE-2026-15544 · NVD
- FIRST EPSS
- GHSA-hp2q-5cpp-5m3x · GitHub Advisory Database · CC BY 4.0
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