ID

VAR-202308-4133


CVE

CVE-2023-40837


TITLE

Tenda AC6 sub_ADD50 function command execution vulnerability

Trust: 0.6

sources: CNVD: CNVD-2024-06421

DESCRIPTION

Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin function 'sub_ADD50' contains a command execution vulnerability. In the "formSetIptv" function, obtaining the "list" and "vlanId" fields, unfiltered passing these two fields as parameters to the "sub_ADD50" function to execute commands. Tenda AC6 is a wireless router made by China Tenda Company. The vulnerability is caused by the failure of the sub_ADD50 function to correctly filter special characters, commands, etc. in the constructed command

Trust: 1.44

sources: NVD: CVE-2023-40837 // CNVD: CNVD-2024-06421

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2024-06421

AFFECTED PRODUCTS

vendor:tendamodel:ac6scope:eqversion:15.03.05.16

Trust: 1.6

sources: CNVD: CNVD-2024-06421 // NVD: CVE-2023-40837

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2023-40837
value: CRITICAL

Trust: 1.0

CNVD: CNVD-2024-06421
value: HIGH

Trust: 0.6

CNVD: CNVD-2024-06421
severity: HIGH
baseScore: 10.0
vectorString: AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 10.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2023-40837
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 5.9
version: 3.1

Trust: 1.0

sources: CNVD: CNVD-2024-06421 // NVD: CVE-2023-40837

PROBLEMTYPE DATA

problemtype:CWE-78

Trust: 1.0

sources: NVD: CVE-2023-40837

PATCH

title:Patch for Tenda AC6 sub_ADD50 function command execution vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/521241

Trust: 0.6

sources: CNVD: CNVD-2024-06421

EXTERNAL IDS

db:NVDid:CVE-2023-40837

Trust: 1.6

db:CNVDid:CNVD-2024-06421

Trust: 0.6

sources: CNVD: CNVD-2024-06421 // NVD: CVE-2023-40837

REFERENCES

url:https://github.com/xyiym/digging/blob/main/tenda/ac6/cmd/2/2.md

Trust: 1.6

sources: CNVD: CNVD-2024-06421 // NVD: CVE-2023-40837

SOURCES

db:CNVDid:CNVD-2024-06421
db:NVDid:CVE-2023-40837

LAST UPDATE DATE

2024-08-14T15:41:37.626000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2024-06421date:2024-01-30T00:00:00
db:NVDid:CVE-2023-40837date:2023-09-01T20:23:05.050

SOURCES RELEASE DATE

db:CNVDid:CNVD-2024-06421date:2024-01-25T00:00:00
db:NVDid:CVE-2023-40837date:2023-08-30T17:15:10.337