Buffer overflow in Tenda Ac7
CVE-2025-3346
A vulnerability was found in Tenda AC7 15.03.06.44. It has been rated as critical. Affected by this issue is the function formSetPPTPServer of the file /goform/SetPptpServerCfg. The manipulation of the argument pptp_server_start_ip/pptp_se…
Vulnerability class: Buffer Overflow
EPSS: 0.071 (91.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Tenda Ac7 — versions 15.03.06.44
Weakness classification (CWE)
References
- VDB-303560 | Tenda AC7 SetPptpServerCfg formSetPPTPServer buffer overflow (vdb-entry, technical-description)
- VDB-303560 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #551927 | Shenzhen Tenda Technology Co.,Ltd. AC7 V15.03.06.44 Buffer Overflow (third-party-advisory)
- github.com/CH13hh/tmp_store_cc/blob/main/AC7formSetPPTPServer/formSetPPTPServer… (exploit)
- www.tenda.com.cn/ (product)
Frequently asked questions
- What is CVE-2025-3346?
- CVE-2025-3346 is a high-severity vulnerability in Tenda Ac7, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2025-04-07.
- How severe is CVE-2025-3346?
- High severity. CVSS v3 base score is 8.8 out of 10.