Tenda G1/G3 15.11.0.17 formDelPortMapping portMappingIndex buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Tenda G1 and G3 15.11.0.17. It has been rated as critical. The affected element is the function formDelPortMapping. This manipulation of the argument portMappingIndex causes buffer overflow. This vulnerability is tracked as CVE-2021-27707. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in Tenda G1 and G3 15.11.0.17 and classified as critical. Affected by this vulnerability is the function formDelPortMapping. The manipulation of the argument portMappingIndex with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 04/15/2021. It is possible to read the advisory at hackmd.io. This vulnerability is known as CVE-2021-27707. 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.

Be aware that VulDB is the high quality 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: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
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: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

02/25/2021 🔍
04/15/2021 +48 days 🔍
04/15/2021 +0 days 🔍
04/21/2021 +6 days 🔍

Sourcesinfo

Vendor: tenda.com.cn

Advisory: hackmd.io
Status: Not defined

CVE: CVE-2021-27707 (🔍)
GCVE (CVE): GCVE-0-2021-27707
GCVE (VulDB): GCVE-100-173047

Entryinfo

Created: 04/15/2021 11:18
Updated: 04/21/2021 06:32
Changes: 04/15/2021 11:18 (37), 04/21/2021 06:32 (2)
Complete: 🔍
Cache ID: 216::103

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