High severity · published Sep 22, 2025
CVE-2025-10803
A vulnerability has been found in Tenda AC23 up to 16.03.07.52
8.8
CVSS
0.8%
EPSS
No
On KEV
Description
A vulnerability has been found in Tenda AC23 up to 16.03.07.52. Affected by this vulnerability is the function sscanf of the file /goform/SetPptpServerCfg of the component HTTP POST Request Handler. Such manipulation of the argument startIp leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the 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)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
Ac23 Firmware · Tenda
through 16.03.07.52 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-10803
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-10803
Exploit
https://github.com/lin-3-start/lin-cve/blob/main/Tenda%20AC23-3/Tenda%20AC23%20Buffer%20overflow.md
Permissions Required
https://vuldb.com/?ctiid.325161
Third Party Advisory
https://vuldb.com/?id.325161
Third Party Advisory
https://vuldb.com/?submit.654237
Product
https://www.tenda.com.cn/
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