Tenda A18 15.13.07.09 formAddMacfilterRule rule_info stack-based overflow

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

A vulnerability, which was classified as critical, has been found in Tenda A18 15.13.07.09. This issue affects the function formAddMacfilterRule. The manipulation of the argument rule_info 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 summary by CVE is:

Tenda A18 V15.13.07.09 was discovered to contain a stack overflow via the rule_info parameter in the formAddMacfilterRule function.

The weakness was shared 08/15/2023. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2023-39827 since 08/07/2023. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/09/2023).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Productinfo

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Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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

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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: 🔍

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

08/07/2023 🔍
08/15/2023 +8 days 🔍
08/15/2023 +0 days 🔍
09/09/2023 +25 days 🔍

Sourcesinfo

Vendor: tenda.com.cn

Advisory: github.com
Status: Not defined

CVE: CVE-2023-39827 (🔍)

Entryinfo

Created: 08/15/2023 09:45 AM
Updated: 09/09/2023 12:10 PM
Changes: 08/15/2023 09:45 AM (39), 09/09/2023 12:10 PM (11)
Complete: 🔍
Cache ID: 18:CA2:40

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