Details of VAR-202403-3020

ID

VAR-202403-3020

CVE

CVE-2024-30639

TITLE

Shenzhen Tenda Technology Co.,Ltd. of F1202 Stack-based buffer overflow vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2024-020495

DESCRIPTION

Tenda F1202 v1.2.0.20(408) has a stack overflow vulnerability in the page parameter of fromAddressNat function. Shenzhen Tenda Technology Co.,Ltd. of F1202 A stack-based buffer overflow vulnerability exists in the firmware.Service operation interruption (DoS) It may be in a state. The Tenda F1202 is an enterprise-grade dual-band wireless router that supports both 2.4GHz and 5GHz bands, with a maximum transmission rate of 1200Mbps. This vulnerability stems from the fact that the `page` parameter of the `fromAddressNat` method fails to properly validate the length of the input data. An attacker could exploit this vulnerability to cause a denial-of-service attack

Trust: 2.16

sources: NVD: CVE-2024-30639 // JVNDB: JVNDB-2024-020495 // CNVD: CNVD-2025-30668

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-30668

AFFECTED PRODUCTS

vendor:	tenda	model:	f1202	scope:	eq	version:	1.2.0.20\(408\)	Trust: 1.0
vendor:	tenda	model:	f1202	scope:	eq	version:	f1202 firmware 1.2.0.20(408)	Trust: 0.8
vendor:	tenda	model:	f1202	scope:	eq	version:	-	Trust: 0.8
vendor:	tenda	model:	f1202	scope:	-	version:	-	Trust: 0.8
vendor:	tenda	model:	f1202	scope:	eq	version:	1.2.0.20(408)	Trust: 0.6

sources: CNVD: CNVD-2025-30668 // JVNDB: JVNDB-2024-020495 // NVD: CVE-2024-30639

CVSS

SEVERITY

CVSSV2

CVSSV3

134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2024-30639
value:	MEDIUM
Trust: 1.0
OTHER:	JVNDB-2024-020495
value:	MEDIUM
Trust: 0.8
CNVD:	CNVD-2025-30668
value:	MEDIUM
Trust: 0.6

CNVD:	CNVD-2025-30668
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-2024-30639
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-2024-020495
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-2025-30668 // JVNDB: JVNDB-2024-020495 // NVD: CVE-2024-30639

PROBLEMTYPE DATA

problemtype:	CWE-121	Trust: 1.0
problemtype:	Stack-based buffer overflow (CWE-121) [ others ]	Trust: 0.8

sources: JVNDB: JVNDB-2024-020495 // NVD: CVE-2024-30639

PATCH

title:

Patch for Tenda F1202 stack buffer overflow vulnerability in the fromAddressNat method.

url:

https://www.cnvd.org.cn/patchInfo/show/781366

Trust: 0.6

sources: CNVD: CNVD-2025-30668

EXTERNAL IDS

db:	NVD	id:	CVE-2024-30639	Trust: 3.2
db:	JVNDB	id:	JVNDB-2024-020495	Trust: 0.8
db:	CNVD	id:	CNVD-2025-30668	Trust: 0.6

sources: CNVD: CNVD-2025-30668 // JVNDB: JVNDB-2024-020495 // NVD: CVE-2024-30639

REFERENCES

url:	https://github.com/abcdefg-png/iot-vulnerable/blob/main/tenda/f/f1202/fromaddressnat_page.md	Trust: 2.4
url:	https://nvd.nist.gov/vuln/detail/cve-2024-30639	Trust: 0.8

sources: CNVD: CNVD-2025-30668 // JVNDB: JVNDB-2024-020495 // NVD: CVE-2024-30639

SOURCES

db:	CNVD	id:	CNVD-2025-30668
db:	JVNDB	id:	JVNDB-2024-020495
db:	NVD	id:	CVE-2024-30639

LAST UPDATE DATE

2025-12-19T23:02:31.223000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2025-30668	date:	2025-12-15T00:00:00
db:	JVNDB	id:	JVNDB-2024-020495	date:	2025-03-17T03:05:00
db:	NVD	id:	CVE-2024-30639	date:	2025-03-13T21:25:45.667

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2025-30668	date:	2025-12-15T00:00:00
db:	JVNDB	id:	JVNDB-2024-020495	date:	2025-03-17T00:00:00
db:	NVD	id:	CVE-2024-30639	date:	2024-03-29T14:15:14.837