TOTOLINK A8000RU operating system command injection vulnerability (CNVD-2026-32756)

TOTOLINK A8000RU is a wireless router produced by China Jiying Electronics. The TOTOLINK A8000RU has a vulnerability related to operating system command injection. This vulnerability stems from the fact that the setUPnPCfg function in the cstecgi.cgi file fails to properly validate the input of t...

The vulnerability of the setUPnPCfg() function in the cstecgi.cgi script of the TOTOLINK A7100RU router’s microprogramming system allows a hacker to execute arbitrary commands.

The vulnerability of the setUPnPCfg function in the cstecgi.cgi script of the TOTOLINK A7100RU router’s microprogramming system is related to the lack of measures taken to neutralize special elements during the processing of the enable parameter. Exploiting this vulnerability allows a remote...

PT-2026-31590

Name of the Vulnerable Software and Affected Versions Totolink A7100RU version 7.4cu.2313 b20191024 Description A security flaw exists in the CGI Handler component of Totolink A7100RU 7.4cu.2313 b20191024. The setUPnPCfg function within the /cgi-bin/cstecgi.cgi file is susceptible to os command...

EUVD-2025-33269

A vulnerability has been found in Tenda AC7 15.03.06.44. Impacted is an unknown function of the file /goform/SetUpnpCfg. Such manipulation of the argument upnpEn leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used...

PT-2025-41327

Name of the Vulnerable Software and Affected Versions Tenda AC7 version 15.03.06.44 Description A stack-based buffer overflow exists in Tenda AC7 version 15.03.06.44. The issue is due to the manipulation of the upnpEn parameter within the /goform/SetUpnpCfg file. This allows for remote...

PT-2025-16556 · Totolink · Totolink A3700R

Name of the Vulnerable Software and Affected Versions: TOTOLINK A3700R version 9.1.2u.5822 B20200513 Description: A critical issue affects the setUPnPCfg function of the file /cgi-bin/cstecgi.cgi, leading to improper access controls. The manipulation can be initiated remotely. The exploit has bee...