PT-2025-47579 · Tenda · Tenda Ac21

Published 2025-11-20 · Updated 2025-11-25 · CVE-2025-65226

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Tenda AC21 version 16.03.08.16

Description The Tenda AC21 version 16.03.08.16 device contains a buffer overflow issue. This occurs through the deviceId parameter within the ''/goform/saveParentControlInfo'' API endpoint. Providing a crafted input to the deviceId parameter can lead to a buffer overflow.

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

Exploit

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

BDU:2025-14739

CVE-2025-65226

Affected Products

Tenda Ac21

References · 8

• 🔥 https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN5.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-65226 · Security Note
• https://osv.dev/vulnerability/CVE-2025-65226 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-14739 · Security Note
• https://t.me/cveNotify/143622 · Telegram Post
• https://twitter.com/CVEnew/status/1991526236724801553 · Twitter Post
• https://t.me/CVEtracker/37830 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1991532539375124903 · Twitter Post