This vulnerability allows local attackers to escalate privileges on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC1750 routers
Published Mar 25, 2020
7.8
HIGHCVSS 3.1
EPSS 5.27%
Description
This vulnerability allows local attackers to escalate privileges on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC1750 routers. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the file system. The issue lies in the lack of proper permissions set on the file system. An attacker can leverage this vulnerability to escalate privileges. Was ZDI-CAN-9651.
Affected products
-
- Version Firmware Ver: 190726StatusaffectedConstraints-
- Version
- 190726
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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
AV:L/AC:L/Au:N/C:P/I:P/A:P
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 (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 5.27% (0.05271) | 92.31th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.90% (0.05898) | 92.26th | v5 (v2026.06.15) |
| Feb 5, 2026 | 1.60% (0.01598) | 81.33th | v4 (v2025.03.14) |
| Jun 19, 2025 | 2.60% (0.02605) | 84.94th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.60% (0.01598) | 80.42th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.05% (0.00047) | 19.29th | v3 (v2023.03.01) |
| May 9, 2024 | 0.05% (0.00047) | 16.36th | v3 (v2023.03.01) |
| May 8, 2023 | 0.05% (0.00047) | 14.36th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00058) | 22.56th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.40% (0.01404) | 49.02th | v2 (v2022.01.01) |
| Feb 3, 2022 | 9.96% (0.09957) | 87.27th | v1 |
| Jan 6, 2022 | 9.96% (0.09957) | 87.12th | v1 |
| Sep 1, 2021 | 9.96% (0.09957) | 94.96th | v1 |
| Apr 14, 2021 | 9.96% (0.09957) | 0.00th | v1 |
References (2)
- http://packetstormsecurity.com/files/157255/TP-Link-Archer-A7-C7-Unauthenticated-LAN-Remote-Code-Execution.html x_refsource_MISCExploitThird Party AdvisoryVDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-20-335/ x_refsource_MISCThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/157255/TP-Link-Archer-A7-C7-Unauthenticated-LAN-Remote-Code-Execution.html | x_refsource_MISCExploitThird Party AdvisoryVDB Entry | |
| https://www.zerodayinitiative.com/advisories/ZDI-20-335/ | x_refsource_MISCThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.