Totolink: >> N600r Firmware Security Vulnerabilities
A NULL pointer dereference in the sub_41773C function of TOTOLINK N600R v4.3.0cu.7866_B20220506 allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.
CVSS Score
7.5
EPSS Score
0.021
Published
2025-10-22
A NULL pointer dereference in the main function of TOTOLINK N600R v4.3.0cu.7866_B20220506 allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.
CVSS Score
7.5
EPSS Score
0.012
Published
2025-10-22
TOTOLINK N600R v4.3.0cu.7866_B20220506 was discovered to contain a stack overflow in the wepkey2 parameter in the setWiFiMultipleConfig function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
CVSS Score
7.5
EPSS Score
0.002
Published
2025-10-22
TOTOLINK N600R v4.3.0cu.7866_B20220506 was discovered to contain a stack overflow in the ssid parameter in the setWiFiBasicConfig function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
CVSS Score
7.5
EPSS Score
0.001
Published
2025-10-22
A security vulnerability has been detected in TOTOLINK N600R up to 4.3.0cu.7866_B20220506. This impacts the function setWiFiBasicConfig of the file /cgi-bin/cstecgi.cgi of the component HTTP Request Handler. Such manipulation of the argument wepkey leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used.
CVSS Score
8.8
EPSS Score
0.001
Published
2025-10-08
A NULL pointer dereference in TOTOLINK N600R firmware v4.3.0cu.7866_B2022506 allows attackers to cause a Denial of Service.
CVSS Score
5.3
EPSS Score
0.002
Published
2025-09-25
A vulnerability was determined in TOTOLINK N600R 4.3.0cu.7866_B20220506. This vulnerability affects the function sub_4159F8 of the file /web_cste/cgi-bin/cstecgi.cgi. Executing manipulation can lead to command injection. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized.
CVSS Score
7.3
EPSS Score
0.026
Published
2025-09-04
TOTOLINK N600R V4.3.0cu.7647_B20210106 was discovered to contain a command injection vulnerability via the pin parameter in the setWiFiWpsConfig function.
CVSS Score
9.8
EPSS Score
0.044
Published
2025-08-04
A vulnerability, which was classified as critical, was found in TOTOLINK N600R and X2000R 1.0.0.1. This affects an unknown part of the file vsftpd.conf of the component FTP Service. The manipulation leads to least privilege violation. It is possible to initiate the attack remotely.
CVSS Score
7.2
EPSS Score
0.002
Published
2025-07-26
Buffer Overflow vulnerability in TOTOLINK N600R v4.3.0cu.7866_B2022506 allows a remote attacker to execute arbitrary code via the UPLOAD_FILENAME component
CVSS Score
9.8
EPSS Score
0.008
Published
2025-06-13
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