PT-2025-33608 · Tenda · Tenda Ac20

N0Ps1Ed · Published 2025-08-16 · Updated 2025-08-18 · CVE-2025-9091

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Tenda AC20 version 16.03.08.12

Description: A security flaw has been discovered in Tenda AC20. The vulnerability affects an unknown functionality of the file /etc ro/shadow. Manipulation of this file leads to the disclosure of hard-coded credentials. The attack can be launched locally and is considered difficult to exploit. The exploit has been publicly disclosed.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Using Hardcoded Credentials

Weakness Enumeration

CWE-259

CWE-798

Related Identifiers

BDU:2025-10203

CVE-2025-9091

Affected Products

Tenda Ac20

References · 14

• 🔥 https://github.com/ZZ2266/.github.io/blob/main/AC20/hardcoded%20password/readme.md#description · Exploit
• 🔥 https://github.com/ZZ2266/.github.io/blob/main/AC20/hardcoded%20password/readme.md · Exploit
• 🔥 https://github.com/ZZ2266/.github.io/tree/main/AC20/hardcoded%20password/readme.md · Exploit
• https://bdu.fstec.ru/vul/2025-10203 · Security Note
• https://osv.dev/vulnerability/CVE-2025-9091 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-9091 · Security Note
• https://vuldb.com/?id.320359 · Note
• https://t.me/cveNotify/132648 · Telegram Post
• https://tenda.com.cn · Note
• https://t.me/cveNotify/132594 · Telegram Post
• https://t.me/CVEtracker/30241 · Telegram Post
• https://vuldb.com/?submit.632268 · Note
• https://vuldb.com/?ctiid.320359 · Note
• https://twitter.com/CVEnew/status/1956940746465956109 · Twitter Post