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25 vulnerabilities found for A800R by Totolink
CVE-2026-6157 (GCVE-0-2026-6157)
Vulnerability from nvd – Published: 2026-04-13 03:45 – Updated: 2026-04-13 11:44
VLAI
Title
Totolink A800R app.so setAppEasyWizardConfig buffer overflow
Summary
A vulnerability was detected in Totolink A800R 4.1.2cu.5137_B20200730. This impacts the function setAppEasyWizardConfig in the library /lib/cste_modules/app.so. The manipulation of the argument apcliSsid results in buffer overflow. The attack can be executed remotely. The exploit is now public and may be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/357037 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/357037/cti | signaturepermissions-required |
| https://vuldb.com/submit/793114 | third-party-advisory |
| https://github.com/xyh4ck/iot_poc/blob/main/TOTOL… | exploit |
| https://www.totolink.net/ | product |
Impacted products
Credits
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CVE-2026-6157 (GCVE-0-2026-6157)
Vulnerability from cvelistv5 – Published: 2026-04-13 03:45 – Updated: 2026-04-13 11:44
VLAI
Title
Totolink A800R app.so setAppEasyWizardConfig buffer overflow
Summary
A vulnerability was detected in Totolink A800R 4.1.2cu.5137_B20200730. This impacts the function setAppEasyWizardConfig in the library /lib/cste_modules/app.so. The manipulation of the argument apcliSsid results in buffer overflow. The attack can be executed remotely. The exploit is now public and may be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/357037 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/357037/cti | signaturepermissions-required |
| https://vuldb.com/submit/793114 | third-party-advisory |
| https://github.com/xyh4ck/iot_poc/blob/main/TOTOL… | exploit |
| https://www.totolink.net/ | product |
Impacted products
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VAR-202505-0271
Vulnerability from variot - Updated: 2025-08-02 22:57A vulnerability was found in TOTOLINK T10, A3100R, A950RG, A800R, N600R, A3000RU and A810R 4.1.8cu.5241_B20210927. It has been declared as critical. This vulnerability affects the function CloudACMunualUpdate of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument FileName leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. A3000RU firmware, A810R firmware, t10 firmware etc. TOTOLINK The product contains a classic buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state
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VAR-202503-2802
Vulnerability from variot - Updated: 2025-06-15 23:36The TOTOLINK A800R V4.1.2cu.5137_B20200730 were found to contain a pre-auth remote command execution vulnerability in the setNoticeCfg function through the NoticeUrl parameter. TOTOLINK of a800r The firmware has OS A command injection vulnerability exists.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. TOTOLINK A800R is a wireless router produced by TOTOLINK. Attackers can exploit this vulnerability to execute arbitrary commands and control the affected device
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VAR-202504-3346
Vulnerability from variot - Updated: 2025-06-12 02:15TOTOLINK A950RG V4.1.2cu.5161_B20200903 was found to contain a pre-auth remote command execution vulnerability in the setNoticeCfg function through the NoticeUrl parameter. a950rg firmware, A810R firmware, a800r firmware etc. TOTOLINK The product has OS A command injection vulnerability exists.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. TOTOLINK A950RG is a gaming router and smart router that supports 2.4GHz and 5GHz dual-band. Attackers can exploit this vulnerability to execute arbitrary commands
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VAR-202504-3404
Vulnerability from variot - Updated: 2025-05-17 23:22TOTOLINK A830R V4.1.2cu.5182_B20201102 was found to contain a pre-auth remote command execution vulnerability in the setNoticeCfg function through the NoticeUrl parameter. A830R firmware, A3100R firmware, A810R firmware etc. TOTOLINK The product has OS A command injection vulnerability exists.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. TOTOLINK A830R is a wireless dual-band router from China's TOTOLINK Electronics
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VAR-202504-3444
Vulnerability from variot - Updated: 2025-05-17 23:17TOTOLINK A800R V4.1.2cu.5032_B20200408 is vulnerable to Command Injection in downloadFile.cgi via the QUERY_STRING parameter. TOTOLINK of a800r Firmware contains a command injection vulnerability.Information may be obtained and information may be tampered with. TOTOLINK A800R is a wireless router from China's TOTOLINK Electronics. No detailed vulnerability details are currently provided
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Vulnerability from variot - Updated: 2025-05-17 03:44TOTOLINK A800R V4.1.2cu.5137_B20200730 was found to contain a buffer overflow vulnerability in downloadFile.cgi through the v14 parameter. TOTOLINK of a800r Firmware has a classic buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. TOTOLINK A800R is a wireless router from China's TOTOLINK Electronics. The vulnerability is caused by the failure of the v14 parameter in downloadFile.cgi to correctly verify the length of the input data. Remote attackers can exploit this vulnerability to execute arbitrary code on the system or cause a denial of service
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VAR-202504-3463
Vulnerability from variot - Updated: 2025-05-10 23:09TOTOLINK A800R V4.1.2cu.5137_B20200730 was found to contain a buffer overflow vulnerability in downloadFile.cgi through the v25 parameter. TOTOLINK of a800r Firmware has a classic buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. TOTOLINK A800R is a wireless router from China's TOTOLINK Electronics. The vulnerability is caused by the failure of the v25 parameter in downloadFile.cgi to correctly verify the length of the input data. Remote attackers can exploit this vulnerability to execute arbitrary code on the system or cause a denial of service attack
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VAR-202504-3389
Vulnerability from variot - Updated: 2025-05-02 22:55TOTOLINK A800R V4.1.2cu.5137_B20200730, A810R V4.1.2cu.5182_B20201026, 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 pre-auth remote command execution vulnerability in the NTPSyncWithHost function through the hostTime parameter. a800r firmware, A810R firmware, A830R firmware etc. TOTOLINK The product has OS A command injection vulnerability exists.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state
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VAR-202504-3345
Vulnerability from variot - Updated: 2025-05-01 23:37TOTOLINK A800R V4.1.2cu.5137_B20200730, A810R V4.1.2cu.5182_B20201026, A830R V4.1.2cu.5182_B20201102, A950RG V4.1.2cu.5161_B20200903, A3000RU V5.9c.5185_B20201128, and A3100R V4.1.2cu.5247_B20211129 contain a pre-auth buffer overflow vulnerability in the setNoticeCfg function through the IpForm parameter. a800r firmware, A810R firmware, A830R firmware etc. TOTOLINK The product contains a stack-based buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state
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VAR-202504-3329
Vulnerability from variot - Updated: 2025-05-01 23:30TOTOLINK A800R V4.1.2cu.5137_B20200730, A810R V4.1.2cu.5182_B20201026, 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 pre-auth buffer overflow vulnerability in the setNoticeCfg function through the IpTo parameter. a800r firmware, A810R firmware, A830R firmware etc. TOTOLINK The product contains a stack-based buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state
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VAR-202203-1307
Vulnerability from variot - Updated: 2024-11-23 23:10Totolink A830R V5.9c.4729_B20191112, A3100R V4.1.2cu.5050_B20200504, A950RG V4.1.2cu.5161_B20200903, A800R V4.1.2cu.5137_B20200730, A3000RU V5.9c.5185_B20201128, and A810R V4.1.2cu.5182_B20201026 were discovered to contain a command injection vulnerability in the function setDiagnosisCfg, via the ipDoamin parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request. Totolink A830R/A3100R/A950RG/A800R/A3000RU/A810R and other products are all routers from China Totolink Company
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VAR-202203-1308
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VAR-202203-0700
Vulnerability from variot - Updated: 2024-11-23 22:50Totolink A830R V5.9c.4729_B20191112, A3100R V4.1.2cu.5050_B20200504, A950RG V4.1.2cu.5161_B20200903, A800R V4.1.2cu.5137_B20200730, A3000RU V5.9c.5185_B20201128, and A810R V4.1.2cu.5182_B20201026 were discovered to contain a command injection vulnerability in the function setUpgradeFW, via the FileName parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request. Totolink A830R/A3100R/A950RG/A800R/A3000RU/A810R and other products are all routers from China Totolink Company
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VAR-202203-0699
Vulnerability from variot - Updated: 2024-11-23 22:44Totolink A830R V5.9c.4729_B20191112, A3100R V4.1.2cu.5050_B20200504, A950RG V4.1.2cu.5161_B20200903, A800R V4.1.2cu.5137_B20200730, A3000RU V5.9c.5185_B20201128, and A810R V4.1.2cu.5182_B20201026 were discovered to contain a command injection vulnerability in the function CloudACMunualUpdate, via the deviceMac and deviceName parameters. This vulnerability allows attackers to execute arbitrary commands via a crafted request. Totolink A830R/A3100R/A950RG/A800R/A3000RU/A810R and other products are all routers from China Totolink Company. The vulnerability stems from the fact that the deviceName and deviceMac parameters in the CloudACMunualUpdate function fail to properly filter special elements that construct commands
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VAR-202203-0701
Vulnerability from variot - Updated: 2024-11-23 22:44Totolink A830R V5.9c.4729_B20191112, A3100R V4.1.2cu.5050_B20200504, A950RG V4.1.2cu.5161_B20200903, A800R V4.1.2cu.5137_B20200730, A3000RU V5.9c.5185_B20201128, and A810R V4.1.2cu.5182_B20201026 were discovered to contain a command injection vulnerability in the function setUploadSetting, via the FileName parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request. Totolink A830R/A3100R/A950RG/A800R/A3000RU/A810R and other products are all routers from China Totolink Company
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VAR-202203-1302
Vulnerability from variot - Updated: 2024-11-23 22:24Totolink A830R V5.9c.4729_B20191112, A3100R V4.1.2cu.5050_B20200504, A950RG V4.1.2cu.5161_B20200903, A800R V4.1.2cu.5137_B20200730, A3000RU V5.9c.5185_B20201128, and A810R V4.1.2cu.5182_B20201026 were discovered to contain a command injection vulnerability in the function NTPSyncWithHost. This vulnerability allows attackers to execute arbitrary commands via the host_time parameter. Totolink A830R/A3100R/A950RG/A800R/A3000RU/A810R and other products are all routers from China Totolink Company. The vulnerability stems from the fact that the host_time parameter in the NTPSyncWithHost function fails to properly filter the special elements that construct the command
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VAR-202203-1303
Vulnerability from variot - Updated: 2024-11-23 22:20Totolink A830R V5.9c.4729_B20191112, A3100R V4.1.2cu.5050_B20200504, A950RG V4.1.2cu.5161_B20200903, A800R V4.1.2cu.5137_B20200730, A3000RU V5.9c.5185_B20201128, and A810R V4.1.2cu.5182_B20201026 were discovered to contain a command injection vulnerability in the function setDeviceName, via the deviceMac and deviceName parameters. This vulnerability allows attackers to execute arbitrary commands via a crafted request. Totolink A830R/A3100R/A950RG/A800R/A3000RU/A810R and other products are all routers from China Totolink Company
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VAR-202202-1580
Vulnerability from variot - Updated: 2024-11-23 21:58TOTOLink A800R V4.1.2cu.5137_B20200730 was discovered to contain a command injection vulnerability in the "Main" function. This vulnerability allows attackers to execute arbitrary commands via the QUERY_STRING parameter. TOTOLINK of a800r Firmware contains a command injection vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. TOTOLink A800R is a wireless router from China TotoLink Company
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VAR-202203-1306
Vulnerability from variot - Updated: 2024-11-23 21:58Totolink A830R V5.9c.4729_B20191112, A3100R V4.1.2cu.5050_B20200504, A950RG V4.1.2cu.5161_B20200903, A800R V4.1.2cu.5137_B20200730, A3000RU V5.9c.5185_B20201128, and A810R V4.1.2cu.5182_B20201026 were discovered to contain a command injection vulnerability in the function setWebWlanIdx, via the webWlanIdx parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request. Totolink A830R/A3100R/A950RG/A800R/A3000RU/A810R and other products are all routers from China Totolink Company
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VAR-202208-2089
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VAR-202207-0325
Vulnerability from variot - Updated: 2024-08-14 14:02Totolink A830R V5.9c.4729_B20191112, Totolink A3100R V4.1.2cu.5050_B20200504, Totolink A950RG V4.1.2cu.5161_B20200903, Totolink A800R V4.1.2cu.5137_B20200730, Totolink A3000RU V5.9c.5185_B20201128, Totolink A810R V4.1.2cu.5182_B20201026 were discovered to contain a command injection vulnerability
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