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Public proof of concept

CVE-2026-121260

Ziroom ZHOME A0101 Lua zrUsb.lua loadstring code injection

A public proof of concept exists; no exploitation attested.

  • Published2026-11-03
  • WeaknessCWE-74 · CWE-94

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2026-11-0315:30CVE publishedCNA

Versions per branch

Products declared by the CNA

As VulDB, the CNA that assigned this CVE, declared them in the CVE record; versions as written. NVD lists no product for this CVE yet: this is the only product data so far.

  • Ziroom ZHOME A0101
    Affected
    • = 1.0.1.0 Build 202004151405no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-11-03

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-121260 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS 4.0 vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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
Published
2026-11-03
Last Modified
2026-11-03
NVD status
Deferred
GitHub Advisory
GHSA-6h5h-86jf-2gf4

Frequently asked questions

What is 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.

Is CVE-2026-121260 actively exploited?

A proof-of-concept exploit exists for CVE-2026-121260, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2026-121260?

CVE-2026-121260 has a CVSS v3 base score of 9.1 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

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