High severity · published Mar 2, 2026
CVE-2025-70252
An issue was discovered in /goform/WifiWpsStart in Tenda AC6V2.0 V15.03.06.23_multi
7.5
CVSS
0.5%
EPSS
No
On KEV
Description
An issue was discovered in /goform/WifiWpsStart in Tenda AC6V2.0 V15.03.06.23_multi. The index and mode are controllable. If the conditions are met to sprintf, they will be spliced into tmp. It is worth noting that there is no size check,which leads to a stack overflow vulnerability.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
Ac6 Firmware · Tenda
15.03.06.23_multi · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-70252
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-70252
Exploit
https://github.com/akuma-QAQ/CVEreport/tree/main/D-link/CVE-2025-70252
Product
https://www.tenda.com.cn/material/show/2855
More from Ac6 Firmware
9.8
CVE-2026-8263
Tenda AC6 httpd WifiExtraSet fromSetWirelessRepeat os command injection
9.8
CVE-2025-52221
Tenda AC6 15.03.05.16_multi is vulnerable to Buffer Overflow in the formSetCfm function via the funcname, funcpara1, and funcpara2 parameters
9.8
CVE-2025-31355
A firmware update vulnerability exists in the Firmware Signature Validation functionality of Tenda AC6 V5.0 V02.03.01.110
9.8
CVE-2025-24322
An unsafe default authentication vulnerability exists in the Initial Setup Authentication functionality of Tenda AC6 V5.0 V02.03.01.110
9.8
CVE-2025-27129
An authentication bypass vulnerability exists in the HTTP authentication functionality of Tenda AC6 V5.0 V02.03.01.110
