PT-2025-33604 · Tenda · Tenda Ac20

N0Ps1Ed · Published 2025-08-16 · Updated 2025-08-21 · CVE-2025-9087

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/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 vulnerability has been found that allows a remote stack-based buffer overflow. The issue affects the set qosMib list function within the SetNetControlList component, specifically in the file /goform/SetNetControlList. Manipulation of the argument list leads to the overflow. The exploit for this issue has been publicly disclosed.

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

Exploit

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-121

CWE-119

Related Identifiers

BDU:2025-10205

CVE-2025-9087

Affected Products

Tenda Ac20

References · 15

• 🔥 https://github.com/ZZ2266/.github.io/tree/main/AC20/formSetQosBand · Exploit
• 🔥 https://github.com/ZZ2266/.github.io/tree/main/AC20/formSetQosBand#poc-python-exploit-script · Exploit
• https://bdu.fstec.ru/vul/2025-10205 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-9087 · Security Note
• https://osv.dev/vulnerability/CVE-2025-9087 · Vendor Advisory
• https://vuldb.com/?id.320355 · Note
• https://t.me/CVEtracker/30237 · Telegram Post
• https://twitter.com/cracbot/status/1958484280583115253 · Twitter Post
• https://vuldb.com/?submit.632037 · Note
• https://twitter.com/CVEnew/status/1956851177930280964 · Twitter Post
• https://tenda.com.cn · Note
• https://vuldb.com/?ctiid.320355 · Note
• https://twitter.com/CveFindCom/status/1956848576270655855 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1956888518787002809 · Twitter Post
• https://t.me/cveNotify/132589 · Telegram Post