CVE-2026-121260
Ziroom ZHOME A0101 Lua zrUsb.lua loadstring code injection
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.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| ZHOME A0101 Ziroom |
1.0.1.0 Build 202004151405 (affected) | CNA: VulDB |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 9.4 critical |
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 | CNA: VulDB |
| 3.1 / 9.1 critical |
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R | CNA: VulDB |
| 3.0 / 9.1 critical |
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R | CNA: VulDB |
| 2.0 / 8.3 high |
AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | CNA: VulDB |
| 4.0 / 8.5 high |
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 | NVD: [email protected] |
| 3.1 / 9.1 critical |
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H | NVD: [email protected] |
| 2.0 / 8.3 high |
AV:N/AC:L/Au:M/C:C/I:C/A:C | NVD: [email protected] |
Exploit evidence
- https://github.com/Wlz1112/ZHOME_A0101/blob/main/zrusb_loadstring_code_injection.md
exploit · CNA: VulDB - https://github.com/Wlz1112/ZHOME_A0101/blob/main/zrusb_loadstring_code_injection.md
exploit · ADP: CISA-ADP
References
- https://vuldb.com/vuln/430226CNA: VulDB · vdb-entry, technical-description
- https://vuldb.com/vuln/430226/ctiCNA: VulDB · signature, permissions-required
- https://vuldb.com/cve/CVE-2026-121260CNA: VulDB · third-party-advisory
- https://vuldb.com/submit/1018328CNA: VulDB · third-party-advisory
- https://github.com/Wlz1112/ZHOME_A0101/blob/main/zrusb_loadstring_code_injection.mdCNA: VulDB · exploit
- https://github.com/Wlz1112/ZHOME_A0101/blob/main/zrusb_loadstring_code_injection.mdADP: CISA-ADP · exploit
- https://github.com/Wlz1112/ZHOME_A0101/blob/main/zrusb_loadstring_code_injection.md[email protected]
- https://vuldb.com/cve/CVE-2026-121260[email protected]
- https://vuldb.com/submit/1018328[email protected]
- https://vuldb.com/vuln/430226[email protected]
- https://vuldb.com/vuln/430226/cti[email protected]
- https://github.com/Wlz1112/ZHOME_A0101/blob/main/zrusb_loadstring_code_injection.md134c704f-9b21-4f2e-91b3-4a467353bcc0
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