Tenda AC9 15.03.06.42_multi_TD01 /goform/SetFirewallCfg firewall_value stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Tenda AC9 15.03.06.42_multi_TD01. This vulnerability affects unknown code of the file /goform/SetFirewallCfg. This manipulation of the argument firewall_value causes stack-based overflow. This vulnerability appears as CVE-2023-40942. There is no available exploit.

Detailsinfo

A vulnerability has been found in Tenda AC9 15.03.06.42_multi_TD01 and classified as critical. Affected by this vulnerability is some unknown functionality of the file /goform/SetFirewallCfg. The manipulation of the argument firewall_value with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is 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). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Tenda AC9 V3.0BR_V15.03.06.42_multi_TD01 was discovered stack overflow via parameter 'firewall_value' at url /goform/SetFirewallCfg.

The weakness was presented 09/07/2023. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2023-40942 since 08/22/2023. 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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-45481). 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: 7.6
VulDB Meta Temp Score: 7.6

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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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

08/22/2023 🔍
09/07/2023 +16 days 🔍
09/07/2023 +0 days 🔍
01/30/2026 +876 days 🔍

Sourcesinfo

Vendor: tenda.com.cn

Advisory: github.com
Status: Not defined

CVE: CVE-2023-40942 (🔍)
GCVE (CVE): GCVE-0-2023-40942
GCVE (VulDB): GCVE-100-239143
EUVD: 🔍

Entryinfo

Created: 09/07/2023 23:21
Updated: 01/30/2026 15:02
Changes: 09/07/2023 23:21 (39), 10/04/2023 07:55 (11), 01/30/2026 15:02 (17)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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