RCE in Shibby Tomato
CVE-2026-19036
A security flaw has been discovered in Shibby Tomato 1.28.0000. This affects the function sub_40F88C of the file /tmp/ppp/wanoptions. The manipulation of the argument ppp_custom results in os command injection. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. This project is superseded by FreshTomato.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.032 (88.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.032 · newest: 0.032 · change: 0.000
Affected products
- Shibby Tomato — versions 1.28.0000
Weakness classification (CWE)
References
- vuldb.com/vuln/386455 (technical-description, vdb-entry)
- vuldb.com/vuln/386455/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-19036 (third-party-advisory)
- vuldb.com/submit/863669 (third-party-advisory)
- gitee.com/WH-YHUST/tomato-rc-qos-ppp-cve/blob/master/advisories/en/03-sub_40F88… (exploit)
Frequently asked questions
- What is CVE-2026-19036?
- CVE-2026-19036 is a high-severity vulnerability in Shibby Tomato, classified under Command Injection. CVSS score: 7.2/10. Published 2026-08-06.
- How severe is CVE-2026-19036?
- High severity. CVSS v3 base score is 7.2 out of 10.