Login Request a demo
High severity · published Sep 22, 2025
CVE-2025-10803
Tenda AC23 HTTP POST Request SetPptpServerCfg sscanf buffer overflow
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
AC
AC23 · Tenda
16.03.07.0; 16.03.07.1; 16.03.07.2; 16.03.07.3; 16.03.07.4; 16.03.07.5; +34 more · source: vendor
AF
Ac23 Firmware · Tenda
through 16.03.07.52 · source: NVD
Affected product
AC
AC23
Tenda
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/
More from AC23
9.8
CVE-2025-9605
Tenda AC21/AC23 GetParentControlInfo stack-based overflow
9.8
CVE-2023-40799
Tenda AC23 Vv16.03.07.45_cn is vulnerable to Buffer Overflow via sub_450A4C function
8.8
CVE-2025-8060
Tenda AC23 httpd setMacFilterCfg sub_46C940 stack-based overflow
8.8
CVE-2023-40801
The sub_451784 function does not validate the parameters entered by the user, resulting in a stack overflow vulnerability in Tenda AC23 v16.03.07.45_cn
8.8
CVE-2023-40797
In Tenda AC23 v16.03.07.45_cn, the sub_4781A4 function does not validate the parameters entered by the user, resulting in a post-authentication stack overflow vulnerability