RCE in Ziroom Zhome A0101
CVE-2026-121260
A flaw has been found in Ziroom ZHOME A0101 1.0.1.0 Build 202004151405. This issue affects the function loadstring of the file usr/lib/lua/luci/controller/api/zrUsb.lua of the component Lua Handler. This manipulation causes code injection. Remote exploitation of the attack is possible. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Ziroom Zhome A0101 — versions 1.0.1.0 Build 202004151405
Weakness classification (CWE)
References
- vuldb.com/vuln/430226 (technical-description, vdb-entry)
- vuldb.com/vuln/430226/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-121260 (third-party-advisory)
- vuldb.com/submit/1018328 (third-party-advisory)
- github.com/Wlz1112/ZHOME_A0101/blob/main/zrusb_loadstring_code_injection.md (exploit)
Frequently asked questions
- What is CVE-2026-121260?
- CVE-2026-121260 is a critical-severity vulnerability in Ziroom Zhome A0101, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 9.1/10. Published 2026-11-03.
- How severe is CVE-2026-121260?
- Critical severity. CVSS v3 base score is 9.1 out of 10.