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.
References
Link | Resource |
---|---|
https://github.com/ZZ2266/.github.io/blob/main/AC20/hardcoded%20password/readme.md#description | Exploit Third Party Advisory |
https://github.com/ZZ2266/.github.io/tree/main/AC20/hardcoded%20password/readme.md | Exploit Third Party Advisory |
https://vuldb.com/?ctiid.320359 | Permissions Required VDB Entry |
https://vuldb.com/?id.320359 | Third Party Advisory VDB Entry |
https://vuldb.com/?submit.632268 | Third Party Advisory VDB Entry |
https://www.tenda.com.cn/ | Product |
https://github.com/ZZ2266/.github.io/blob/main/AC20/hardcoded%20password/readme.md | Exploit Third Party Advisory |
https://github.com/ZZ2266/.github.io/blob/main/AC20/hardcoded%20password/readme.md#description | Exploit Third Party Advisory |
Configurations
Configuration 1 (hide)
AND |
|
History
21 Aug 2025, 16:10
Type | Values Removed | Values Added |
---|---|---|
First Time |
Tenda ac20
Tenda ac20 Firmware Tenda |
|
References | () https://github.com/ZZ2266/.github.io/blob/main/AC20/hardcoded%20password/readme.md#description - Exploit, Third Party Advisory | |
References | () https://github.com/ZZ2266/.github.io/tree/main/AC20/hardcoded%20password/readme.md - Exploit, Third Party Advisory | |
References | () https://vuldb.com/?ctiid.320359 - Permissions Required, VDB Entry | |
References | () https://vuldb.com/?id.320359 - Third Party Advisory, VDB Entry | |
References | () https://vuldb.com/?submit.632268 - Third Party Advisory, VDB Entry | |
References | () https://www.tenda.com.cn/ - Product | |
References | () https://github.com/ZZ2266/.github.io/blob/main/AC20/hardcoded%20password/readme.md - Exploit, Third Party Advisory | |
CPE | cpe:2.3:o:tenda:ac20_firmware:16.03.08.12:*:*:*:*:*:*:* cpe:2.3:h:tenda:ac20:-:*:*:*:*:*:*:* |
18 Aug 2025, 14:15
Type | Values Removed | Values Added |
---|---|---|
References |
|
|
References | () https://github.com/ZZ2266/.github.io/blob/main/AC20/hardcoded%20password/readme.md#description - | |
Summary |
|
17 Aug 2025, 03:15
Type | Values Removed | Values Added |
---|---|---|
New CVE |
Information
Published : 2025-08-17 03:15
Updated : 2025-08-21 16:10
NVD link : CVE-2025-9091
Mitre link : CVE-2025-9091
CVE.ORG link : CVE-2025-9091
JSON object : View
Products Affected
tenda
- ac20_firmware
- ac20