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10 vulnerabilities found for g1_firmware by tenda
CVE-2025-70802 (GCVE-0-2025-70802)
Vulnerability from nvd – Published: 2026-03-10 00:00 – Updated: 2026-03-12 19:58
VLAI
Summary
Tenda G1V3.1si V16.01.7.8 Firmware V16.01.7.8 was discovered to contain a hardcoded password vulnerability in /etc_ro/shadow, which allows attackers to log in as root.
Severity
8.4 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-259 - Use of Hard-coded Password
Assigner
References
2 references
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"url": "https://github.com/vuln-1/vuln/blob/main/Tenda/G1V3.1si_V16.01.7.8/report-1.md"
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CVE-2025-8980 (GCVE-0-2025-8980)
Vulnerability from nvd – Published: 2025-08-14 19:32 – Updated: 2025-08-14 19:50
VLAI
Title
Tenda G1 Firmware Update check_upload_file data authenticity
Summary
A vulnerability has been found in Tenda G1 16.01.7.8(3660). Affected by this issue is the function check_upload_file of the component Firmware Update Handler. The manipulation leads to insufficient verification of data authenticity. The attack may be launched remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-345 - Insufficient Verification of Data Authenticity
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.319976 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.319976 | signaturepermissions-required |
| https://vuldb.com/?submit.628605 | third-party-advisory |
| https://vuldb.com/?submit.628606 | third-party-advisory |
| https://github.com/IOTRes/IOT_Firmware_Update/blo… | patch |
| https://github.com/IOTRes/IOT_Firmware_Update/blo… | exploitpatch |
| https://www.tenda.com.cn/ | product |
Credits
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CVE-2021-27707 (GCVE-0-2021-27707)
Vulnerability from nvd – Published: 2021-04-14 15:00 – Updated: 2024-08-03 21:26
VLAI
Summary
Buffer Overflow in Tenda G1 and G3 routers with firmware v15.11.0.17(9502)_CN allows remote attackers to execute arbitrary code via a crafted action/"portMappingIndex "request. This occurs because the "formDelPortMapping" function directly passes the parameter "portMappingIndex" to strcpy without limit.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://hackmd.io/U7OVgYIuRcOKV7SW5-euHw | x_refsource_MISC |
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CVE-2021-27706 (GCVE-0-2021-27706)
Vulnerability from nvd – Published: 2021-04-14 14:55 – Updated: 2024-08-03 21:26
VLAI
Summary
Buffer Overflow in Tenda G1 and G3 routers with firmware version V15.11.0.17(9502)_CN allows remote attackers to execute arbitrary code via a crafted action/"IPMacBindIndex "request. This occurs because the "formIPMacBindDel" function directly passes the parameter "IPMacBindIndex" to strcpy without limit.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://hackmd.io/BhzJ4H20TjqKUiBrDOIKaw | x_refsource_MISC |
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CVE-2021-27705 (GCVE-0-2021-27705)
Vulnerability from nvd – Published: 2021-04-14 14:52 – Updated: 2024-08-03 21:26
VLAI
Summary
Buffer Overflow in Tenda G1 and G3 routers with firmware v15.11.0.17(9502)_CN allows remote attackers to execute arbitrary code via a crafted action/"qosIndex "request. This occurs because the "formQOSRuleDel" function directly passes the parameter "qosIndex" to strcpy without limit.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://hackmd.io/Zb7lfFaNR0ScpaTssECFbg | x_refsource_MISC |
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CVE-2025-70802 (GCVE-0-2025-70802)
Vulnerability from cvelistv5 – Published: 2026-03-10 00:00 – Updated: 2026-03-12 19:58
VLAI
Summary
Tenda G1V3.1si V16.01.7.8 Firmware V16.01.7.8 was discovered to contain a hardcoded password vulnerability in /etc_ro/shadow, which allows attackers to log in as root.
Severity
8.4 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-259 - Use of Hard-coded Password
Assigner
References
2 references
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CVE-2025-8980 (GCVE-0-2025-8980)
Vulnerability from cvelistv5 – Published: 2025-08-14 19:32 – Updated: 2025-08-14 19:50
VLAI
Title
Tenda G1 Firmware Update check_upload_file data authenticity
Summary
A vulnerability has been found in Tenda G1 16.01.7.8(3660). Affected by this issue is the function check_upload_file of the component Firmware Update Handler. The manipulation leads to insufficient verification of data authenticity. The attack may be launched remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-345 - Insufficient Verification of Data Authenticity
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.319976 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.319976 | signaturepermissions-required |
| https://vuldb.com/?submit.628605 | third-party-advisory |
| https://vuldb.com/?submit.628606 | third-party-advisory |
| https://github.com/IOTRes/IOT_Firmware_Update/blo… | patch |
| https://github.com/IOTRes/IOT_Firmware_Update/blo… | exploitpatch |
| https://www.tenda.com.cn/ | product |
Credits
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CVE-2021-27707 (GCVE-0-2021-27707)
Vulnerability from cvelistv5 – Published: 2021-04-14 15:00 – Updated: 2024-08-03 21:26
VLAI
Summary
Buffer Overflow in Tenda G1 and G3 routers with firmware v15.11.0.17(9502)_CN allows remote attackers to execute arbitrary code via a crafted action/"portMappingIndex "request. This occurs because the "formDelPortMapping" function directly passes the parameter "portMappingIndex" to strcpy without limit.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://hackmd.io/U7OVgYIuRcOKV7SW5-euHw | x_refsource_MISC |
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CVE-2021-27706 (GCVE-0-2021-27706)
Vulnerability from cvelistv5 – Published: 2021-04-14 14:55 – Updated: 2024-08-03 21:26
VLAI
Summary
Buffer Overflow in Tenda G1 and G3 routers with firmware version V15.11.0.17(9502)_CN allows remote attackers to execute arbitrary code via a crafted action/"IPMacBindIndex "request. This occurs because the "formIPMacBindDel" function directly passes the parameter "IPMacBindIndex" to strcpy without limit.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://hackmd.io/BhzJ4H20TjqKUiBrDOIKaw | x_refsource_MISC |
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CVE-2021-27705 (GCVE-0-2021-27705)
Vulnerability from cvelistv5 – Published: 2021-04-14 14:52 – Updated: 2024-08-03 21:26
VLAI
Summary
Buffer Overflow in Tenda G1 and G3 routers with firmware v15.11.0.17(9502)_CN allows remote attackers to execute arbitrary code via a crafted action/"qosIndex "request. This occurs because the "formQOSRuleDel" function directly passes the parameter "qosIndex" to strcpy without limit.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://hackmd.io/Zb7lfFaNR0ScpaTssECFbg | x_refsource_MISC |
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"data_format": "MITRE",
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"description": {
"description_data": [
{
"lang": "eng",
"value": "Buffer Overflow in Tenda G1 and G3 routers with firmware v15.11.0.17(9502)_CN allows remote attackers to execute arbitrary code via a crafted action/\"qosIndex \"request. This occurs because the \"formQOSRuleDel\" function directly passes the parameter \"qosIndex\" to strcpy without limit."
}
]
},
"problemtype": {
"problemtype_data": [
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"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
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"references": {
"reference_data": [
{
"name": "https://hackmd.io/Zb7lfFaNR0ScpaTssECFbg",
"refsource": "MISC",
"url": "https://hackmd.io/Zb7lfFaNR0ScpaTssECFbg"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2021-27705",
"datePublished": "2021-04-14T14:52:09.000Z",
"dateReserved": "2021-02-25T00:00:00.000Z",
"dateUpdated": "2024-08-03T21:26:10.726Z",
"state": "PUBLISHED"
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