CVE-2025-9091
Tenda AC20 shadow hard-coded credentials
- State
- Published
- Severity
- 2.0 Low
- Published
- Aug 17, 2025
- Updated
- Aug 18, 2025
- Reserved
- Aug 16, 2025
Description
A security flaw has been discovered in Tenda AC20 16.03.08.12. Affected by this vulnerability is an unknown functionality of the file /etc_ro/shadow. The manipulation leads to hard-coded credentials. It is possible to launch the attack on the local host. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 2.0 Low | CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 2.5 Low | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R | VulDB |
| 3.0 | 2.5 Low | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R | VulDB |
| 2.0 | 1.0 Low | AV:L/AC:H/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
AC20Tenda |
|
References
- VDB-320359 | Tenda AC20 shadow hard-coded credentialsvdb-entry
- VDB-320359 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #632268 | Tenda AC20 V16.03.08.12 Hard-coded Credentialsthird-party-advisory
- https://github.com/ZZ2266/.github.io/tree/main/AC20/hardcoded%20password/readme.mdrelated
- https://github.com/ZZ2266/.github.io/blob/main/AC20/hardcoded%20password/readme.md#descriptionexploit
- https://www.tenda.com.cn/product
- https://github.com/ZZ2266/.github.io/blob/main/AC20/hardcoded%20password/readme.mdexploit
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