Shibby Tomato qoslimit new_qoslimit_start os command injection

published 2026-08-06 3 mo ago modified 2026-10-23 16 d ago also EUVD-2026-53867

cvss: 7.2; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 3.2%; EPSS 3.2% chance of exploitation in 30 days, percentile 88%
public exploits: 0; none known

A vulnerability was identified in Shibby Tomato 1.28.0000. Affected by this issue is the function new_qoslimit_start of the file /etc/qoslimit. The manipulation of the argument new_qoslimit_enable leads to os command injection. The attack may be initiated remotely. The exploit is publicly available and might be used. This project is superseded by FreshTomato.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: total
Assessed: 3 mo ago (2026-08-06)

Exploit prediction

3.18% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

gitee.com https://gitee.com/WH-YHUST/tomato-rc-qos-ppp-cve/blob/master/advisories/en/02-new_qoslimit_start.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	8.6	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
CNA	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
CNA	3.0	7.2	CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
CNA	2.0	8.3	AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR
CNA	4.0	7.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA	2.0	8.3	AV:N/AC:L/Au:M/C:C/I:C/A:C

Affected products

Shibby Tomato

Classification

Weakness

CWE-78 Improper Neutralization of Special Elements used in an OS Command
CWE-77 Improper Neutralization of Special Elements used in a Command

References

gitee.com /WH-YHUST/tomato-rc-qos-ppp-cve/blob/master/advisories/en/02-new_qoslimit_start.md
exploit
vuldb.com /vuln/386454
vdb-entry, technical-description
vuldb.com /vuln/386454/cti
signature, permissions-required
vuldb.com /cve/CVE-2026-19035
third-party-advisory
vuldb.com /submit/863667
third-party-advisory

Sources

CVE List CVE-2026-19035
NVD CVE-2026-19035

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary