PT-2025-33605 · Tenda · Tenda Ac20

N0Ps1Ed · Published 2025-08-16 · Updated 2025-08-21 · CVE-2025-9088

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 stack-based buffer overflow vulnerability exists in the save virtualser data function of the /goform/formSetVirtualSer file. The vulnerability is triggered by manipulating the argument list, allowing for remote exploitation. The exploit has been publicly disclosed and may be used.

Recommendations: Update to a newer version of Tenda AC20 that addresses this vulnerability.

Exploit

Fix

Memory Corruption

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-787

CWE-121

CWE-119

Related Identifiers

BDU:2025-10206

CVE-2025-9088

Affected Products

Tenda Ac20

References · 15

• 🔥 https://github.com/ZZ2266/.github.io/tree/main/AC20/formSetVirtualSer · Exploit
• 🔥 https://github.com/ZZ2266/.github.io/tree/main/AC20/formSetVirtualSer#poc-python-exploit-script · Exploit
• 🔥 https://vuldb.com/?submit.632038 · Exploit
• https://osv.dev/vulnerability/CVE-2025-9088 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-10206 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-9088 · Security Note
• https://vuldb.com/?id.320356 · Note
• https://t.me/CVEtracker/30238 · Telegram Post
• https://twitter.com/CveFindCom/status/1956856171186270393 · Twitter Post
• https://t.me/cveNotify/132590 · Telegram Post
• https://twitter.com/cracbot/status/1958484282323693860 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1956885958730678541 · Twitter Post
• https://tenda.com.cn · Note
• https://twitter.com/CVEnew/status/1956861268859441174 · Twitter Post
• https://vuldb.com/?ctiid.320356 · Note