Details of VAR-202509-0500

ID

VAR-202509-0500

CVE

CVE-2025-57069

TITLE

Shenzhen Tenda Technology Co.,Ltd. of G3 Stack-based buffer overflow vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-014148

DESCRIPTION

Tenda G3 v3.0br_V15.11.0.17 was discovered to contain a stack overflow in the pPppUser parameter in the getsinglepppuser function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request. Shenzhen Tenda Technology Co.,Ltd. of G3 A stack-based buffer overflow vulnerability exists in the firmware.Service operation interruption (DoS) It may be in a state. Tenda G3 is an all-in-one micro-enterprise gateway launched by Tenda. Designed specifically for small and medium-sized enterprises, it provides integrated network solutions. The Tenda G3 suffers from a buffer overflow vulnerability caused by a failure to properly validate the length of the input data in the getsinglepppuser function's pPppUser parameter

Trust: 2.16

sources: NVD: CVE-2025-57069 // JVNDB: JVNDB-2025-014148 // CNVD: CNVD-2025-21326

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-21326

AFFECTED PRODUCTS

vendor:	tenda	model:	g3	scope:	lte	version:	15.11.0.17\(9502\)	Trust: 1.0
vendor:	tenda	model:	g3	scope:	-	version:	-	Trust: 0.8
vendor:	tenda	model:	g3	scope:	lte	version:	g3 firmware 15.11.0.17(9502) and earlier	Trust: 0.8
vendor:	tenda	model:	g3	scope:	eq	version:	-	Trust: 0.8
vendor:	tenda	model:	g3 v3.0br v15.11.0.17	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2025-21326 // JVNDB: JVNDB-2025-014148 // NVD: CVE-2025-57069

CVSS

SEVERITY

CVSSV2

CVSSV3

134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2025-57069
value:	HIGH
Trust: 1.0
OTHER:	JVNDB-2025-014148
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2025-21326
value:	HIGH
Trust: 0.6

CNVD:	CNVD-2025-21326
severity:	HIGH
baseScore:	7.8
vectorString:	AV:N/AC:L/AU:N/C:N/I:N/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
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-2025-57069
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	3.6
version:	3.1
Trust: 1.0
OTHER:	JVNDB-2025-014148
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	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-2025-21326 // JVNDB: JVNDB-2025-014148 // NVD: CVE-2025-57069

PROBLEMTYPE DATA

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

sources: JVNDB: JVNDB-2025-014148 // NVD: CVE-2025-57069

EXTERNAL IDS

db:	NVD	id:	CVE-2025-57069	Trust: 3.2
db:	JVNDB	id:	JVNDB-2025-014148	Trust: 0.8
db:	CNVD	id:	CNVD-2025-21326	Trust: 0.6

sources: CNVD: CNVD-2025-21326 // JVNDB: JVNDB-2025-014148 // NVD: CVE-2025-57069

REFERENCES

url:	https://github.com/vulndetailrecord/vulfordevice/blob/main/tenda/g3/getsinglepppuser.md	Trust: 2.4
url:	https://nvd.nist.gov/vuln/detail/cve-2025-57069	Trust: 0.8

sources: CNVD: CNVD-2025-21326 // JVNDB: JVNDB-2025-014148 // NVD: CVE-2025-57069

SOURCES

db:	CNVD	id:	CNVD-2025-21326
db:	JVNDB	id:	JVNDB-2025-014148
db:	NVD	id:	CVE-2025-57069

LAST UPDATE DATE

2025-09-23T23:28:11.247000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2025-21326	date:	2025-09-16T00:00:00
db:	JVNDB	id:	JVNDB-2025-014148	date:	2025-09-22T06:46:00
db:	NVD	id:	CVE-2025-57069	date:	2025-09-18T18:49:07.417

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2025-21326	date:	2025-09-16T00:00:00
db:	JVNDB	id:	JVNDB-2025-014148	date:	2025-09-22T00:00:00
db:	NVD	id:	CVE-2025-57069	date:	2025-09-09T17:16:09.413