PT-2025-39115 · Tenda · Tenda Ac21

Qmssdxn · Published 2025-09-23 · Updated 2025-09-24 · CVE-2025-10838

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 AC21 version 16.03.08.16

Description A buffer overflow issue exists in the function sub 45BB10 of the file /goform/WifiExtraSet. Manipulation of the wpapsk crypto argument can trigger this issue, allowing for remote exploitation. The exploit is publicly available.

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-119

CWE-120

Related Identifiers

BDU:2025-11616

CVE-2025-10838

Affected Products

Tenda Ac21

References · 12

• 🔥 https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC21/Tenda%20AC21%20Buffer%20overflow.md#poc · Exploit
• 🔥 https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC21/Tenda%20AC21%20Buffer%20overflow.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-10838 · Security Note
• https://bdu.fstec.ru/vul/2025-11616 · Security Note
• https://osv.dev/vulnerability/CVE-2025-10838 · Vendor Advisory
• https://vuldb.com/?ctiid.325200 · Note
• https://twitter.com/CVEnew/status/1970393451268047117 · Twitter Post
• https://vuldb.com/?submit.657126 · Note
• https://tenda.com.cn · Note
• https://twitter.com/CveFindCom/status/1970354998912352707 · Twitter Post
• https://t.me/cveNotify/136101 · Telegram Post
• https://vuldb.com/?id.325200 · Note