Details of VAR-202407-1303

ID

VAR-202407-1303

CVE

CVE-2024-40503

TITLE

Shenzhen Tenda Technology Co.,Ltd. of AX12 Vulnerability in firmware regarding improper validation of the origin of communication channels

Trust: 0.8

sources: JVNDB: JVNDB-2024-025790

DESCRIPTION

An issue in Tenda AX12 v.16.03.49.18_cn+ allows a remote attacker to cause a denial of service via the Routing functionality and ICMP packet handling. Shenzhen Tenda Technology Co.,Ltd. of AX12 The firmware contains a vulnerability related to improper validation of the origin of the communication channel.Service operation interruption (DoS) It may be in a state. The Tenda AX12 is a dual-band Gigabit Wi-Fi 6 wireless router designed for home users. It supports dual-band concurrent transmission and achieves speeds of up to 2976 Mbps

Trust: 2.16

sources: NVD: CVE-2024-40503 // JVNDB: JVNDB-2024-025790 // CNVD: CNVD-2025-18348

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-18348

AFFECTED PRODUCTS

vendor:	tenda	model:	ax12	scope:	eq	version:	16.03.49.18_cn	Trust: 1.0
vendor:	tenda	model:	ax12	scope:	-	version:	-	Trust: 0.8
vendor:	tenda	model:	ax12	scope:	eq	version:	ax12 firmware 16.03.49.18 cn	Trust: 0.8
vendor:	tenda	model:	ax12	scope:	eq	version:	-	Trust: 0.8
vendor:	tenda	model:	ax12 16.03.49.18 cn	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2025-18348 // JVNDB: JVNDB-2024-025790 // NVD: CVE-2024-40503

CVSS

SEVERITY

CVSSV2

CVSSV3

134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2024-40503
value:	MEDIUM
Trust: 1.0
OTHER:	JVNDB-2024-025790
value:	MEDIUM
Trust: 0.8
CNVD:	CNVD-2025-18348
value:	MEDIUM
Trust: 0.6

CNVD:	CNVD-2025-18348
severity:	MEDIUM
baseScore:	6.1
vectorString:	AV:A/AC:L/AU:N/C:N/I:N/A:C
accessVector:	ADJACENT_NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	COMPLETE
exploitabilityScore:	6.5
impactScore:	6.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2024-40503
baseSeverity:	MEDIUM
baseScore:	6.5
vectorString:	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	ADJACENT
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	2.8
impactScore:	3.6
version:	3.1
Trust: 1.0
OTHER:	JVNDB-2024-025790
baseSeverity:	MEDIUM
baseScore:	6.5
vectorString:	CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	ADJACENT NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: CNVD: CNVD-2025-18348 // JVNDB: JVNDB-2024-025790 // NVD: CVE-2024-40503

PROBLEMTYPE DATA

problemtype:	CWE-940	Trust: 1.0
problemtype:	Improper validation of the origin of a communication channel (CWE-940) [ others ]	Trust: 0.8

sources: JVNDB: JVNDB-2024-025790 // NVD: CVE-2024-40503

EXTERNAL IDS

db:	NVD	id:	CVE-2024-40503	Trust: 3.2
db:	JVNDB	id:	JVNDB-2024-025790	Trust: 0.8
db:	CNVD	id:	CNVD-2025-18348	Trust: 0.6

sources: CNVD: CNVD-2025-18348 // JVNDB: JVNDB-2024-025790 // NVD: CVE-2024-40503

REFERENCES

url:	https://gist.github.com/mivik/8927ad100a638756e1fe214dd5fca5f9	Trust: 2.4
url:	https://nvd.nist.gov/vuln/detail/cve-2024-40503	Trust: 0.8

sources: CNVD: CNVD-2025-18348 // JVNDB: JVNDB-2024-025790 // NVD: CVE-2024-40503

SOURCES

db:	CNVD	id:	CNVD-2025-18348
db:	JVNDB	id:	JVNDB-2024-025790
db:	NVD	id:	CVE-2024-40503

LAST UPDATE DATE

2025-08-15T23:22:04.347000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2025-18348	date:	2025-08-13T00:00:00
db:	JVNDB	id:	JVNDB-2024-025790	date:	2025-07-08T02:03:00
db:	NVD	id:	CVE-2024-40503	date:	2025-07-07T16:32:08.337

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2025-18348	date:	2025-08-12T00:00:00
db:	JVNDB	id:	JVNDB-2024-025790	date:	2025-07-08T00:00:00
db:	NVD	id:	CVE-2024-40503	date:	2024-07-16T19:15:13.043