PT-2025-52552 · Tenda · Tenda Ac18

Z472421519 · Published 2025-12-18 · Updated 2025-12-31 · CVE-2025-14993

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 AC18 version 15.03.05.05

Description A flaw exists in the Tenda AC18 router that could allow for remote attacks. The issue is related to the sprintf function within the HTTP Request Handler component, specifically in the file /goform/SetDlnaCfg. Manipulation of the scanList argument can lead to a stack-based buffer overflow. The exploit for this issue is publicly available.

Recommendations Disable the DLNA feature to mitigate the risk.

Exploit

Fix

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-121

CWE-119

Related Identifiers

BDU:2025-16377

CVE-2025-14993

Affected Products

Tenda Ac18

References · 20

• 🔥 https://github.com/z472421519/BinaryAudit/blob/main/PoC/BOF/Tenda_AC18/SetDlnaCfg/SetDlnaCfg.md · Exploit
• 🔥 https://github.com/z472421519/BinaryAudit/blob/main/PoC/BOF/Tenda_AC18/SetDlnaCfg/SetDlnaCfg.md#reproduce · Exploit
• https://osv.dev/vulnerability/CVE-2025-14993 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-14993 · Security Note
• https://bdu.fstec.ru/vul/2025-16377 · Security Note
• https://twitter.com/CVEnew/status/2002835920563707912 · Twitter Post
• https://vuldb.com/?submit.719084 · Note
• https://t.me/CVEtracker/40370 · Telegram Post
• https://tenda.com.cn · Note
• https://vuldb.com/?id.337687 · Note
• https://twitter.com/CveFindCom/status/2002614797800542479 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2002635211012518397 · Twitter Post
• https://twitter.com/offseq/status/2002613713019240910 · Twitter Post
• https://vuldb.com/?ctiid.337687 · Note
• https://t.me/cveNotify/147328 · Telegram Post