Linksys Velop 1.1.2.187020 devices allow unauthenticated command injection, providing an attacker with full root access, via cgi-bin/zbtest.cgi or cgi-bin/zbtest2.cgi (scripts that can be discovered with binwalk on the firmware, but are not visible in the web interface)
Published Sep 19, 2018
8.8
HIGHCVSS 3.0
EPSS 2.53%
Description
Linksys Velop 1.1.2.187020 devices allow unauthenticated command injection, providing an attacker with full root access, via cgi-bin/zbtest.cgi or cgi-bin/zbtest2.cgi (scripts that can be discovered with binwalk on the firmware, but are not visible in the web interface). This occurs because shell metacharacters in the query string are mishandled by ShellExecute, as demonstrated by the zbtest.cgi?cmd=level&level= substring. This can also be exploited via CSRF.
Affected products
No data.
- 1.1.2.187020
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (22 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 2.53% (0.02529) | 84.36th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.53% (0.02529) | 82.79th | v5 (v2026.06.15) |
| Aug 20, 2025 | 16.69% (0.16694) | 94.66th | v4 (v2025.03.14) |
| Mar 30, 2025 | 20.58% (0.20576) | 95.09th | v4 (v2025.03.14) |
| Mar 29, 2025 | 23.21% (0.23214) | 93.45th | v4 (v2025.03.14) |
| Mar 17, 2025 | 20.58% (0.20576) | 95.11th | v4 (v2025.03.14) |
| Dec 17, 2024 | 4.66% (0.04662) | 92.49th | v3 (v2023.03.01) |
| Jul 7, 2024 | 1.05% (0.01049) | 84.13th | v3 (v2023.03.01) |
| Jun 7, 2024 | 0.86% (0.00864) | 82.37th | v3 (v2023.03.01) |
| May 10, 2024 | 0.85% (0.00851) | 82.10th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.81% (0.00815) | 81.58th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.62% (0.00616) | 78.28th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.54% (0.00544) | 76.69th | v3 (v2023.03.01) |
| May 5, 2023 | 1.06% (0.01061) | 81.99th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.50% (0.01498) | 84.81th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.05% (0.02055) | 79.82th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.05% (0.02055) | 77.90th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.05% (0.02055) | 56.59th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.44% (0.00442) | 10.76th | v1 |
| Jan 6, 2022 | 0.44% (0.00442) | 10.46th | v1 |
| Sep 1, 2021 | 0.44% (0.00442) | 27.73th | v1 |
| Apr 14, 2021 | 0.44% (0.00442) | 0.00th | v1 |
References (1)
- https://langkjaer.com/velop.html x_refsource_MISCExploitTechnical DescriptionThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://langkjaer.com/velop.html | x_refsource_MISCExploitTechnical DescriptionThird Party Advisory |
Change history (0)
No recorded changes yet.