The vulnerability of the setLanguageCfg function (/cgi-bin/cstecgi.cgi) in the Totolink A8000R router’s microprogramming software allows a malicious individual to circumvent security restrictions and gain unauthorized access to read and modify data.

The vulnerability of the setLanguageCfg /cgi-bin/cstecgi.cgi function in the Totolink A8000R router’s microprogramming software is related to the lack of authentication for the critical langType parameter during processing. Exploiting this vulnerability allows an attacker to bypass security...

CVE-2026-5676

A vulnerability was identified in Totolink A8000R 5.9c.681B20180413. This issue affects the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument langType leads to missing authentication. The attack can be launched remotely. The exploit is publicly available...

EUVD-2026-19434

A vulnerability was identified in Totolink A8000R 5.9c.681B20180413. This issue affects the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument langType leads to missing authentication. The attack can be launched remotely. The exploit is publicly available...

CVE-2026-5676

A vulnerability was identified in Totolink A8000R 5.9c.681B20180413. This issue affects the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument langType leads to missing authentication. The attack can be launched remotely. The exploit is publicly available...

CVE-2026-5676 Totolink A8000R cstecgi.cgi setLanguageCfg missing authentication

A vulnerability was identified in Totolink A8000R 5.9c.681B20180413. This issue affects the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument langType leads to missing authentication. The attack can be launched remotely. The exploit is publicly available...

CVE-2026-5676

The vulnerability CVE-2026-5676 affects Totolink A8000R (firmware 5.9c.681_B20180413). The issue is in the CGI endpoint /cgi-bin/cstecgi.cgi, specifically the setLanguageCfg function where manipulating the langType argument leads to missing authentication. This enables a remote attacker to levera...

CVE-2026-5676 Totolink A8000R cstecgi.cgi setLanguageCfg missing authentication

A vulnerability was identified in Totolink A8000R 5.9c.681B20180413. This issue affects the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument langType leads to missing authentication. The attack can be launched remotely. The exploit is publicly available...

CVE-2026-5676

A vulnerability was identified in Totolink A8000R 5.9c.681B20180413. This issue affects the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument langType leads to missing authentication. The attack can be launched remotely. The exploit is publicly available...

PT-2026-30700

Name of the Vulnerable Software and Affected Versions Totolink A8000R version 5.9c.681 B20180413 Description A flaw exists in the setLanguageCfg function within the /cgi-bin/cstecgi.cgi file of Totolink A8000R version 5.9c.681 B20180413. Manipulation of the langType argument bypasses...

CVE-2026-5676: Missing Authentication for Critical Function

A vulnerability was identified in Totolink A8000R 5.9c.681B20180413. This issue affects the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument langType leads to missing authentication. The attack can be launched remotely. The exploit is publicly available...