CVE-2025-9091

low

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.

References

https://www.tenda.com.cn/

https://vuldb.com/?submit.632268

https://vuldb.com/?id.320359

https://vuldb.com/?ctiid.320359

https://github.com/ZZ2266/.github.io/tree/main/AC20/hardcoded%20password/readme.md

https://github.com/ZZ2266/.github.io/blob/main/AC20/hardcoded%20password/readme.md#description

https://github.com/ZZ2266/.github.io/blob/main/AC20/hardcoded%20password/readme.md

Details

Source: Mitre, NVD

Published: 2025-08-17

Updated: 2025-08-18

Risk Information

CVSS v2

Base Score: 1

Vector: CVSS2#AV:L/AC:H/Au:S/C:P/I:N/A:N

Severity: Low

CVSS v3

Base Score: 2.5

Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

Severity: Low

CVSS v4

Base Score: 1.1

Vector: 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

Severity: Low

EPSS

EPSS: 0.00015