Tenda AC8V4 16.03.34.06 sscanf Time stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Tenda AC8V4 16.03.34.06 and classified as critical. The affected element is the function sscanf. Such manipulation of the argument Time leads to stack-based overflow. This vulnerability is traded as CVE-2023-39786. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Tenda AC8V4 16.03.34.06. Affected by this issue is the function sscanf. The manipulation of the argument time 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. CVE summarizes:

Tenda AC8V4 V16.03.34.06 was discovered to contain a stack overflow via the time parameter in the sscanf function.

The weakness was shared 08/21/2023. This vulnerability is handled as CVE-2023-39786 since 08/07/2023. 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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-43486). VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: 6.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
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: Stack-based overflow
CWE: CWE-121 / 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

08/07/2023 🔍
08/21/2023 +14 days 🔍
08/21/2023 +0 days 🔍
01/26/2026 +889 days 🔍

Sourcesinfo

Vendor: tenda.com.cn

Status: Not defined

CVE: CVE-2023-39786 (🔍)
GCVE (CVE): GCVE-0-2023-39786
GCVE (VulDB): GCVE-100-237584
EUVD: 🔍

Entryinfo

Created: 08/21/2023 07:19
Updated: 01/26/2026 12:28
Changes: 08/21/2023 07:19 (38), 09/14/2023 07:21 (11), 01/26/2026 12:28 (17)
Complete: 🔍
Cache ID: 216::103

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