fkie_cve-2021-46394
Vulnerability from fkie_nvd
Published
2022-03-04 14:15
Modified
2024-11-21 06:34
Severity ?
Summary
There is a stack buffer overflow vulnerability in the formSetPPTPServer function of Tenda-AX3 router V16.03.12.10_CN. The v13 variable is directly retrieved from the http request parameter startIp. Then v13 will be splice to stack by function sscanf without any security check, which causes stack overflow. By POSTing the page /goform/SetPptpServerCfg with proper startIp, the attacker can easily perform remote code execution with carefully crafted overflow data.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://github.com/sec-bin/IoT-CVE/tree/main/Tenda/AX3/4 | Exploit, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/sec-bin/IoT-CVE/tree/main/Tenda/AX3/4 | Exploit, Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| tenda | ax3_firmware | 16.03.12.10 | |
| tenda | ax3 | - |
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"descriptions": [
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"value": "There is a stack buffer overflow vulnerability in the formSetPPTPServer function of Tenda-AX3 router V16.03.12.10_CN. The v13 variable is directly retrieved from the http request parameter startIp. Then v13 will be splice to stack by function sscanf without any security check, which causes stack overflow. By POSTing the page /goform/SetPptpServerCfg with proper startIp, the attacker can easily perform remote code execution with carefully crafted overflow data."
},
{
"lang": "es",
"value": "Se presenta una vulnerabilidad de desbordamiento del buffer de pila en la funci\u00f3n formSetPPTPServer del router Tenda-AX3 versi\u00f3n V16.03.12.10_CN. La variable v13 es recuperada directamente del par\u00e1metro startIp de la petici\u00f3n http. Entonces v13 ser\u00e1 empalmada a la pila por la funci\u00f3n sscanf sin ninguna comprobaci\u00f3n de seguridad, lo que causa un desbordamiento de la pila. Al enviar por POST la p\u00e1gina /goform/SetPptpServerCfg con la startIp apropiada, el atacante puede llevar a cabo f\u00e1cilmente una ejecuci\u00f3n de c\u00f3digo remota con datos de desbordamiento cuidadosamente dise\u00f1ados"
}
],
"id": "CVE-2021-46394",
"lastModified": "2024-11-21T06:34:01.937",
"metrics": {
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}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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