Vulnerability · Published Jul 18, 2026 · Assigned by VulDB
CVE-2026-16095Shibby Tomato rc setup_conntrack out-of-bounds write
High 8.8
In plain English
A high-severity out-of-bounds write in Tomato from Shibby. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.7%top 45.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A flaw has been found in Shibby Tomato 1.28 RT-N5x MIPSR2 Build 124. Affected by this issue is the function setup_conntrack of the file /sbin/rc. Executing a manipulation of the argument ct_tcp_timeout can lead to out-of-bounds write. The attack may be performed from remote. This project is superseded by FreshTomato.
Affected products (as reported)
Weakness: CWE-787, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R
References
- VDB-379799 | Shibby Tomato rc setup_conntrack out-of-bounds write vdb-entry, technical-description
- VDB-379799 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-16095 | CVE Analysis and Report third-party-advisory
- Submit #855123 | Tomato by Shibby Tomato Firmware Tomato v1.28 RT-N5x MIPSR2 build 124 Mini Stack out-of-bounds write third-party-advisory
- https://gitee.com/Fengyi-Wang/CVE/issues/IJTQ5S issue-tracking