PT-2025-33475 · Tenda · Tenda Ac20

N0Ps1Ed · Published 2025-08-15 · Updated 2025-08-15 · CVE-2025-9046

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

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

Description: A stack-based buffer overflow issue was identified in the sub 46A2AC function of the /goform/setMacFilterCfg file. The manipulation of the deviceList argument leads to this overflow, and the attack can be initiated remotely. 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:2025-10201

CVE-2025-9046

Affected Products

Tenda Ac20

References · 13

• 🔥 https://github.com/ZZ2266/.github.io/blob/main/AC20/formSetMacFilterCfg/readme.md · Exploit
• 🔥 https://github.com/ZZ2266/.github.io/blob/main/AC20/formSetMacFilterCfg/readme.md#poc-python-exploit-script · Exploit
• https://bdu.fstec.ru/vul/2025-10201 · Security Note
• https://osv.dev/vulnerability/CVE-2025-9046 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-9046 · Security Note
• https://t.me/CVEtracker/30120 · Telegram Post
• https://vuldb.com/?ctiid.320267 · Note
• https://twitter.com/CVEnew/status/1956390296222159100 · Twitter Post
• https://t.me/cveNotify/132418 · Telegram Post
• https://tenda.com.cn · Note
• https://vuldb.com/?id.320267 · Note
• https://twitter.com/VulmonFeeds/status/1956440453626085502 · Twitter Post
• https://vuldb.com/?submit.631932 · Note