CVE-2025-9091

LOW

Tenda AC20 16.03.08.12 - Info Disclosure

Title source: llm

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 (7)

[Exploit, Third Party Advisory] 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

[Permissions Required, VDB Entry] https://vuldb.com/?ctiid.320359

[Third Party Advisory, VDB Entry] https://vuldb.com/?id.320359

[Third Party Advisory, VDB Entry] https://vuldb.com/?submit.632268

[Product] https://www.tenda.com.cn/

[Exploit, Third Party Advisory] https://github.com/ZZ2266/.github.io/blob/main/AC20/hardcoded%20password/readme.md

View Exploit ZIP pw:eip

Scores

CVSS v3 2.5

EPSS 0.0002

EPSS Percentile 3.5%

Attack Vector LOCAL

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

Classification

CWE

CWE-259 CWE-798

Status published

Affected Products (1)

tenda/ac20_firmware

Timeline

Published Aug 17, 2025

Tracked Since Feb 18, 2026