PT-2025-32484 · Tenda · Tenda Ac20

Hundun · Published 2025-08-02 · Updated 2025-08-15 · CVE-2025-8810

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 16.03.08.05

Description: A critical vulnerability exists in Tenda AC20 version 16.03.08.05. The strcpy function within the /goform/SetFirewallCfg file is susceptible to a stack-based buffer overflow. This occurs through the manipulation of the firewallEn argument, allowing for remote attacks. 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:2025-09738

CVE-2025-8810

Affected Products

Tenda Ac20

References · 14

• 🔥 https://github.com/LaiwanHundun/CVE/blob/main/cve1 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-8810 · Security Note
• https://osv.dev/vulnerability/CVE-2025-8810 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-09738 · Security Note
• https://t.me/cveNotify/132290 · Telegram Post
• https://t.me/cveNotify/131600 · Telegram Post
• https://tenda.com.cn · Note
• https://vuldb.com/?id.319339 · Note
• https://twitter.com/cracbot/status/1956309937962774918 · Twitter Post
• https://t.me/CVEtracker/29626 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1954561294826123379 · Twitter Post
• https://vuldb.com/?submit.627394 · Note
• https://vuldb.com/?ctiid.319339 · Note
• https://twitter.com/CveFindCom/status/1954538362108248073 · Twitter Post