Tenda G1/G3 15.11.0.17(9502)_CN formAddVpnUsers vpnUsers stack-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $0-$5k | 0.00 |
Summary
A vulnerability described as critical has been identified in Tenda G1 and G3 15.11.0.17(9502)_CN. The impacted element is the function formAddVpnUsers. Executing a manipulation of the argument vpnUsers can lead to stack-based overflow.
This vulnerability is tracked as CVE-2021-45991. No exploit exists.
Details
A vulnerability classified as critical was found in Tenda G1 and G3 15.11.0.17(9502)_CN. This vulnerability affects the function formAddVpnUsers. The manipulation of the argument vpnUsers with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is 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). As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was disclosed 02/04/2022. The advisory is shared for download at github.com. This vulnerability was named CVE-2021-45991 since 01/03/2022. There are known technical details, but no exploit is available.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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: 5.5VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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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: Partially
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
01/03/2022 🔍02/04/2022 🔍
02/04/2022 🔍
02/05/2022 🔍
Sources
Vendor: tenda.com.cnAdvisory: github.com
Status: Not defined
CVE: CVE-2021-45991 (🔍)
GCVE (CVE): GCVE-0-2021-45991
GCVE (VulDB): GCVE-100-192232
Entry
Created: 02/04/2022 09:36Updated: 02/05/2022 13:21
Changes: 02/04/2022 09:36 (38), 02/05/2022 13:21 (1)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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