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CVE-2025-3346: Tenda AC7 SetPptpServerCfg formSetPPTPServer buffer overflow

8.7 CVSS

Description

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_server_end_ip leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. Eine kritische Schwachstelle wurde in Tenda AC7 15.03.06.44 ausgemacht. Davon betroffen ist die Funktion formSetPPTPServer der Datei /goform/SetPptpServerCfg. Durch Manipulation des Arguments pptp_server_start_ip/pptp_server_end_ip mit unbekannten Daten kann eine buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk erfolgen. Der Exploit steht zur öffentlichen Verfügung.

Classification

CVE ID: CVE-2025-3346

CVSS Base Severity: HIGH

CVSS Base Score: 8.7

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Problem Types

Buffer Overflow Memory Corruption

Affected Products

Vendor: Tenda

Product: AC7

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.05% (probability of being exploited)

EPSS Percentile: 14.99% (scored less or equal to compared to others)

EPSS Date: 2025-05-06 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-3346
https://vuldb.com/?id.303560
https://vuldb.com/?ctiid.303560
https://vuldb.com/?submit.551927
https://github.com/CH13hh/tmp_store_cc/blob/main/AC7formSetPPTPServer/formSetPPTPServer.md
https://www.tenda.com.cn/

Timeline