PT-2025-43872 · Tenda · Tenda O3

Wxhwxhwxh · Published 2025-10-11 · Updated 2025-10-28 · CVE-2025-12212

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 O3 version 1.0.0.10(2478)

Description A weakness exists in the Tenda O3 version 1.0.0.10(2478). This issue affects the SetValue/GetValue function within the /goform/setNetworkService file. Manipulation of the upnpEn argument can lead to a stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made publicly available.

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, consider restricting access to the /goform/setNetworkService file to minimize the risk of exploitation.

Exploit

Fix

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-121

CWE-119

Related Identifiers

BDU:2025-13526

CVE-2025-12212

Affected Products

Tenda O3

References · 13

• 🔥 https://github.com/noahze01/IoT-vulnerable/blob/main/Tenda/O3v2.0/setNetworkService.md · Exploit
• https://bdu.fstec.ru/vul/2025-13526 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-12212 · Security Note
• https://vuldb.com/?id.329882 · Note
• https://twitter.com/CVEnew/status/1982665163086946375 · Twitter Post
• https://vuldb.com/?ctiid.329882 · Note
• https://t.me/cveNotify/140599 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1982675505791762498 · Twitter Post
• https://t.me/CVEtracker/35785 · Telegram Post
• https://tenda.com.cn · Note
• https://twitter.com/CveFindCom/status/1982653369794580798 · Twitter Post
• https://vuldb.com/?submit.673267 · Note
• https://t.me/cveNotify/140380 · Telegram Post