PT-2025-35174 · Tenda · Tenda Ac21 +1

Lxyilu · Published 2025-08-29 · Updated 2025-08-29 · CVE-2025-9605

Positive Technologies · (AI Summary)

CVSS v3.1

10

10

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 AC21 version 16.03.08.16

Tenda AC23 version 16.03.08.16

Description:

A stack-based buffer overflow vulnerability exists in the `GetParentControlInfo` function of the `/goform/GetParentControlInfo` file in Tenda AC21 and AC23 routers. Manipulation of the `mac` argument can trigger the overflow, allowing for remote exploitation.

Recommendations:

Tenda AC21 version 16.03.08.16: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Tenda AC23 version 16.03.08.16: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

RCE

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-121

CWE-119

Related Identifiers

CVE-2025-9605

Affected Products

Tenda Ac21

Tenda Ac23

References · 13

• 🔥 https://github.com/XXRicardo/iot-cve/blob/main/Tenda/AC21/AC21V1.0re_V16.03.08.16.md · Exploit
• 🔥 https://github.com/XXRicardo/iot-cve/blob/main/Tenda/AC23/Stack-Based%20Buffer%20Overflow%20in%20Tenda%20Wi-Fi%205%20Router%20AC23%EF%BC%88AC23V1.0re_V16.03.07.52%EF%BC%89.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-9605 · Security Note
• https://twitter.com/ZeroPathLabs/status/1961284012485271805 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1961282608597217370 · Twitter Post
• https://vuldb.com/?ctiid.321783 · Note
• https://vuldb.com/?submit.636548 · Note
• https://twitter.com/CveFindCom/status/1961257489292312942 · Twitter Post
• https://twitter.com/CVEnew/status/1961282392867704954 · Twitter Post
• https://tenda.com.cn · Note
• https://vuldb.com/?id.321783 · Note
• https://vuldb.com/?submit.636545 · Note
• https://twitter.com/offseq/status/1961262799172124996 · Twitter Post