Tenda AC21 16.03.08.15 /bin/httpd fromSetWifiGusetBasic buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Tenda AC21 16.03.08.15. This vulnerability affects the function fromSetWifiGusetBasic of the file /bin/httpd. This manipulation causes buffer overflow. This vulnerability is tracked as CVE-2022-40076. No exploit exists.

Detailsinfo

A vulnerability has been found in Tenda AC21 16.03.08.15 and classified as critical. Affected by this vulnerability is the function fromSetWifiGusetBasic of the file /bin/httpd. The manipulation 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 summary by CVE is:

Tenda AC21 V16.03.08.15 is vulnerable to Buffer Overflow via /bin/httpd, function: fromSetWifiGusetBasic.

The weakness was disclosed 09/19/2022. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2022-40076 since 09/06/2022. 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: 6.5
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.5
NVD Vector: 🔍

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

09/06/2022 🔍
09/19/2022 +13 days 🔍
09/19/2022 +0 days 🔍
10/20/2022 +31 days 🔍

Sourcesinfo

Vendor: tenda.com.cn

Advisory: github.com
Status: Not defined

CVE: CVE-2022-40076 (🔍)
GCVE (CVE): GCVE-0-2022-40076
GCVE (VulDB): GCVE-100-209047

Entryinfo

Created: 09/19/2022 20:40
Updated: 10/20/2022 15:02
Changes: 09/19/2022 20:40 (39), 10/20/2022 15:02 (11)
Complete: 🔍
Cache ID: 216::103

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