Tenda AX3 16.03.12.10_CN /goform/SetPptpServerCfg sscanf startIp stack-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.1 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, was found in Tenda AX3 16.03.12.10_CN. Impacted is the function sscanf of the file /goform/SetPptpServerCfg. Such manipulation of the argument startIp leads to stack-based overflow.
This vulnerability is referenced as CVE-2021-46393. It is possible to launch the attack remotely. No exploit is available.
Details
A vulnerability was found in Tenda AX3 16.03.12.10_CN. It has been rated as critical. Affected by this issue is the function sscanf of the file /goform/SetPptpServerCfg. The manipulation of the argument startIp with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability.
The weakness was published 03/04/2022. The advisory is available at github.com. This vulnerability is handled as CVE-2021-46393 since 01/18/2022. Technical details are known, but there is no available exploit.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.tenda.com.cn/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 6.1
VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Stack-based overflowCWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
01/18/2022 🔍03/04/2022 🔍
03/04/2022 🔍
03/06/2022 🔍
Sources
Vendor: tenda.com.cnAdvisory: github.com
Status: Not defined
CVE: CVE-2021-46393 (🔍)
GCVE (CVE): GCVE-0-2021-46393
GCVE (VulDB): GCVE-100-194210
Entry
Created: 03/04/2022 17:00Updated: 03/06/2022 14:44
Changes: 03/04/2022 17:00 (39), 03/06/2022 14:44 (1)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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