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a830r firmware vulnerabilities and exploits
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9.8
CVSSv3
CVE-2022-48066
An issue in the component global.so of Totolink A830R V4.1.2cu.5182 allows malicious users to bypass authentication via a crafted cookie.
Totolink A830r Firmware 4.1.2cu.5182
5.5
CVSSv3
CVE-2022-48067
An information disclosure vulnerability in Totolink A830R V4.1.2cu.5182 allows malicious users to obtain the root password via a brute-force attack.
Totolink A830r Firmware 4.1.2cu.5182
7.5
CVSSv3
CVE-2022-48069
Totolink A830R V4.1.2cu.5182 exists to contain a command injection vulnerability via the QUERY_STRING parameter.
Totolink A830r Firmware 4.1.2cu.5182
9.8
CVSSv3
CVE-2022-25080
TOTOLink A830R V5.9c.4729_B20191112 exists to contain a command injection vulnerability in the "Main" function. This vulnerability allows malicious users to execute arbitrary commands via the QUERY_STRING parameter.
Totolink A830r Firmware 5.9c.4729 B20191112
7.5
CVSSv3
CVE-2021-44246
Totolink devices A3100R v4.1.2cu.5050_B20200504, A830R v5.9c.4729_B20191112, and A720R v4.1.5cu.470_B20200911 were discovered to contain a stack overflow in the function setNoticeCfg. This vulnerability allows malicious users to cause a Denial of Service (DoS) via the IpTo parame...
Totolink A720r Firmware 4.1.5cu.470 B20200911
Totolink A830r Firmware 5.9c.4729 B20191112
Totolink A3100r Firmware 4.1.2cu.5050 B20200504
9.8
CVSSv3
CVE-2021-44247
Totolink devices A3100R v4.1.2cu.5050_B20200504, A830R v5.9c.4729_B20191112, and A720R v4.1.5cu.470_B20200911 were discovered to contain command injection vulnerability in the function setNoticeCfg. This vulnerability allows malicious users to execute arbitrary commands via the I...
Totolink A720r Firmware 4.1.5cu.470 B20200911
Totolink A830r Firmware 5.9c.4729 B20191112
Totolink A3100r Firmware 4.1.2cu.5050 B20200504
7.3
CVSSv3
CVE-2025-28025
TOTOLINK A830R V4.1.2cu.5182_B20201102, A950RG V4.1.2cu.5161_B20200903, A3000RU V5.9c.5185_B20201128, and A3100R V4.1.2cu.5247_B20211129 were found to contain a buffer overflow vulnerability in downloadFile.cgi through the v14 parameter.
Totolink A830r Firmware 4.1.2cu.5182 B20201102
Totolink A950rg Firmware 4.1.2cu.5161 B20200903
Totolink A3000ru Firmware 5.9c.5185 B20201128
Totolink A3100r Firmware 4.1.2cu.5247 B20211129
7.3
CVSSv3
CVE-2025-28026
TOTOLINK A830R V4.1.2cu.5182_B20201102, A950RG V4.1.2cu.5161_B20200903, A3000RU V5.9c.5185_B20201128, and A3100R V4.1.2cu.5247_B20211129 were found to contain a buffer overflow vulnerability in downloadFile.cgi.
Totolink A830r Firmware 4.1.2cu.5182 B20201102
Totolink A950rg Firmware 4.1.2cu.5161 B20200903
Totolink A3000ru Firmware 5.9c.5185 B20201128
Totolink A3100r Firmware 4.1.2cu.5247 B20211129
7.3
CVSSv3
CVE-2025-28027
TOTOLINK A830R V4.1.2cu.5182_B20201102, A950RG V4.1.2cu.5161_B20200903, A3000RU V5.9c.5185_B20201128, and A3100R V4.1.2cu.5247_B20211129 was found to contain a buffer overflow vulnerability in downloadFile.cgi.
Totolink A830r Firmware 4.1.2cu.5182 B20201102
Totolink A950rg Firmware 4.1.2cu.5161 B20200903
Totolink A3000ru Firmware 5.9c.5185 B20201128
Totolink A3100r Firmware 4.1.2cu.5247 B20211129
7.3
CVSSv3
CVE-2025-28028
TOTOLINK A830R V4.1.2cu.5182_B20201102, A950RG V4.1.2cu.5161_B20200903, A3000RU V5.9c.5185_B20201128, and A3100R V4.1.2cu.5247_B20211129 were found to contain a buffer overflow vulnerability in downloadFile.cgi through the v5 parameter.
Totolink A830r Firmware 4.1.2cu.5182 B20201102
Totolink A950rg Firmware 4.1.2cu.5161 B20200903
Totolink A3000ru Firmware 5.9c.5185 B20201128
Totolink A3100r Firmware 4.1.2cu.5247 B20211129
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CVSSv2
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