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High severity · published Dec 21, 2025
CVE-2025-14993
Tenda AC18 HTTP Request SetDlnaCfg sprintf stack-based overflow
8.8
CVSS
0.7%
EPSS
No
On KEV
Description
A vulnerability was detected in Tenda AC18 15.03.05.05. This affects the function sprintf of the file /goform/SetDlnaCfg of the component HTTP Request Handler. The manipulation of the argument scanList results in stack-based buffer overflow. The attack can be executed remotely. The exploit is now public and may be used.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AC
AC18 · Tenda
15.03.05.05 · source: vendor
AF
Ac18 Firmware · Tenda
15.03.05.05 · source: NVD
Affected product
AC
AC18
Tenda
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-14993
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-14993
Exploit
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
Permissions Required
https://vuldb.com/?ctiid.337687
Third Party Advisory
https://vuldb.com/?id.337687
Third Party Advisory
https://vuldb.com/?submit.719084
Product
https://www.tenda.com.cn/
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