CVE-2016-2404
Huawei switches S5700, S6700, S7700, S9700 with software V200R001C00SPC300, V200R002C00SPC100,...
Huawei switches S5700, S6700, S7700, S9700 with software V200R001C00SPC300, V200R002C00SPC100, V200R003C00SPC300, V200R005C00SPC500, V200R006C00; S12700 with software V200R005C00SPC500, V200R006C00; ACU2 with software V200R005C00SPC500, V200R006C00 have a permission control vulnerability. If a switch enables Authentication, Authorization, and Accounting (AAA) for permission control and user permissions are not appropriate, AAA users may obtain the virtual type terminal (VTY) access permission, resulting in privilege escalation.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.5
Huawei switches S5700, S6700, S7700, S9700 with software V200R001C00SPC300, V200R002C00SPC100, V200R003C00SPC300, V200R005C00SPC500, V200R006C00; S12700 with software V200R005C00SPC500, V200R006C00; ACU2 with software V200R005C00SPC500, V200R006C00 have a permission control vulnerability. If a switch enables Authentication, Authorization, and Accounting (AAA) for permission control and user permissions are not appropriate, AAA users may obtain the virtual type terminal (VTY) access permission, resulting in privilege escalation.
- Record
CVE-2016-2404- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.0 Medium
AV:N/AC:M/Au:S/C:P/I:P/A:P - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
Huawei switches S5700, S6700, S7700, S9700 with software V200R001C00SPC300, V200R002C00SPC100, V200R003C00SPC300, V200R005C00SPC500, V200R006C00; S12700 with software V200R005C00SPC500, V200R006C00; ACU2 with software V200R005C00SPC500, V200R006C00 have a permission control vulnerability. If a switch enables Authentication, Authorization, and Accounting (AAA) for permission control and user permissions are not appropriate, AAA users may obtain the virtual type terminal (VTY) access permission, resulting in privilege escalation.
- Record
CVE-2016-2404- Updated
- 2026-11-02
EUVDEUVD-2016-3486 No score
Huawei switches S5700, S6700, S7700, S9700 with software V200R001C00SPC300, V200R002C00SPC100, V200R003C00SPC300, V200R005C00SPC500, V200R006C00; S12700 with software V200R005C00SPC500, V200R006C00; ACU2 with software V200R005C00SPC500, V200R006C00 have a permission control vulnerability. If a switch enables Authentication, Authorization, and Accounting (AAA) for permission control and user permissions are not appropriate, AAA users may obtain the virtual type terminal (VTY) access permission, resulting in privilege escalation.
- Record
EUVD-2016-3486- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-65qg-pq7p-5fvp
7.5
Huawei switches S5700, S6700, S7700, S9700 with software V200R001C00SPC300, V200R002C00SPC100,...
Huawei switches S5700, S6700, S7700, S9700 with software V200R001C00SPC300, V200R002C00SPC100, V200R003C00SPC300, V200R005C00SPC500, V200R006C00; S12700 with software V200R005C00SPC500, V200R006C00; ACU2 with software V200R005C00SPC500, V200R006C00 have a permission control vulnerability. If a switch enables Authentication, Authorization, and Accounting (AAA) for permission control and user permissions are not appropriate, AAA users may obtain the virtual type terminal (VTY) access permission, resulting in privilege escalation.
- Record
GHSA-65qg-pq7p-5fvp- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-2404 is a high vulnerability (CVSS 7.5) in Huawei Acu2 Firmware, published April 2, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.79%, the 56th percentile. No source names a fixed version.