Tenda AC9 up to 15.03.05.19(6318)/15.03.06.42_multi Parameter index buffer overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $0-$5k | 0.00 |
Summary
A vulnerability marked as critical has been reported in Tenda AC9 up to 15.03.05.19(6318)/15.03.06.42_multi. The affected element is an unknown function of the component Parameter Handler. Performing a manipulation of the argument index results in buffer overflow. This vulnerability was named CVE-2021-31627. There is no available exploit.
Details
A vulnerability, which was classified as critical, was found in Tenda AC9 up to 15.03.05.19(6318)/15.03.06.42_multi. This affects an unknown code of the component Parameter Handler. The manipulation of the argument index with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was presented 10/29/2021. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2021-31627 since 04/23/2021. Technical details of the vulnerability 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.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / 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
04/23/2021 🔍10/29/2021 🔍
10/29/2021 🔍
11/03/2021 🔍
Sources
Vendor: tenda.com.cnAdvisory: github.com
Status: Not defined
CVE: CVE-2021-31627 (🔍)
GCVE (CVE): GCVE-0-2021-31627
GCVE (VulDB): GCVE-100-185763
Entry
Created: 10/29/2021 15:04Updated: 11/03/2021 14:40
Changes: 10/29/2021 15:04 (38), 11/03/2021 14:40 (1)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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