A security flaw has been discovered in Shibby Tomato up to 1.28.0000. Affected by this issue is the function sub_2D568 of the component start_jffs2. Performing a manipulation of the argument jffs2_exec results in os command injection. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. This project is superseded by FreshTomato.
CVE-2026-15546
MEDIUMPre-NVD 6.36.3—Trending — 5 sources updated this weekElevated
EchelonGraph scoreHIGH confidence
Score 6.3 from GitHub Security Advisory (severity: LOW) published 2026-07-13. a secondary CVSS source baseline 6.3; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
6.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 6.3Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.3
- EG Score
- 6.3(high)
- EPSS
- 60.3%
- KEV
- Not listed
Published
July 13, 2026
Last Modified
July 13, 2026
Advisory Details (1)
Auto-updated Jul 13, 2026No patch confirmed yet.
generic
OS command injection in `sbin/rc` `start_jffs2` function via unsanitized NVRAM key `jffs2_exec` in `Tomato by Shibby` firmware · Issue #IJTQ5O · 王丰毅/CVE - Gitee.com
https://gitee.com/Fengyi-Wang/CVE/issues/IJTQ5OVendor Advisories for CVE-2026-15546(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 8× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-14 09:56 UTCEG score recompute
- 2026-07-14 09:56 UTCGHSA enrichment
- 2026-07-13 22:30 UTCEPSS rescore
- 2026-07-13 20:08 UTCNVD updateCVSS v4 → 2.1
- 2026-07-13 18:57 UTCMITRE cvelistV5CVSS v4 → 5.3
- 2026-07-13 10:08 UTCNVD updateCVSS v4 → 2.1
- 2026-07-13 08:43 UTCEG score recompute
- 2026-07-13 08:42 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Same CWE
10 shownCWE-78 · CWE-77
- CVE-2009-20011EG 10.0CRITICAL
- CVE-2011-10017EG 10.0CRITICAL
- CVE-2011-10026EG 9.8CRITICAL
- CVE-2011-2195EG 9.8CRITICAL
- CVE-2011-2523EG 9.8EPSS 100%CRITICAL
- CVE-2010-5330EG 9.8 KEVEPSS 98%CRITICAL
- CVE-2009-5156EG 9.8EPSS 95%CRITICAL
- CVE-2007-3010EG 9.8 KEVEPSS 100%CRITICAL
- CVE-2005-2773EG 9.8 KEVEPSS 99%CRITICAL
- CVE-1999-0043EG 9.8EPSS 99%CRITICAL
Frequently asked(5)
What is CVE-2026-15546?
CVE-2026-15546 is a medium vulnerability published on July 13, 2026. A security flaw has been discovered in Shibby Tomato up to 1.28.0000. Affected by this issue is the function sub2D568 of the component startjffs2. Performing a manipulation of the argument jffs2_exec results in os command injection. Remote exploitation of the attack is possible. The exploit has…
When was CVE-2026-15546 disclosed?
CVE-2026-15546 was first published in the National Vulnerability Database on July 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15546 actively exploited?
CVE-2026-15546 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 60.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-15546?
CVE-2026-15546 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2026-15546?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15546, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-15546
Is Your Infrastructure Affected by CVE-2026-15546?
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