Tenda G1/G3 15.11.0.17(9502)_CN formSetPortMapping stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Tenda G1 and G3 15.11.0.17(9502)_CN. Affected by this vulnerability is the function formSetPortMapping. Such manipulation of the argument portMappingServer/portMappingProtocol/portMappingWan/porMappingtInternal/portMappingExternal leads to stack-based overflow. This vulnerability is documented as CVE-2021-45996. There is not any exploit available.

Detailsinfo

A vulnerability was found in Tenda G1 and G3 15.11.0.17(9502)_CN and classified as critical. Affected by this issue is the function formSetPortMapping. The manipulation of the argument portMappingServer/portMappingProtocol/portMappingWan/porMappingtInternal/portMappingExternal 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 released 02/04/2022. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2021-45996 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: 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: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/03/2022 🔍
02/04/2022 +32 days 🔍
02/04/2022 +0 days 🔍
02/05/2022 +1 days 🔍

Sourcesinfo

Vendor: tenda.com.cn

Advisory: github.com
Status: Not defined

CVE: CVE-2021-45996 (🔍)
GCVE (CVE): GCVE-0-2021-45996
GCVE (VulDB): GCVE-100-192236

Entryinfo

Created: 02/04/2022 09:42
Updated: 02/05/2022 13:43
Changes: 02/04/2022 09:42 (38), 02/05/2022 13:43 (1)
Complete: 🔍
Cache ID: 216::103

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