Details of VAR-202509-0357

ID

VAR-202509-0357

CVE

CVE-2025-55852

TITLE

Shenzhen Tenda Technology Co.,Ltd. of AC8 Stack-based buffer overflow vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-013366

DESCRIPTION

Tenda AC8 v16.03.34.06 is vulnerable to Buffer Overflow in the formWifiBasicSet function via the parameter security or security_5g. Shenzhen Tenda Technology Co.,Ltd. of AC8 A stack-based buffer overflow vulnerability exists in the firmware.Service operation interruption (DoS) It may be in a state. The Tenda AC8 is a dual-gigabit wireless router designed for homes with fiber optic connections up to 1000 Mbps. It supports IPv6 and features intelligent network management. The Tenda AC8 suffers from a buffer overflow vulnerability caused by the formWifiBasicSet function's failure to properly validate the length of input data. An attacker could exploit this vulnerability to cause a denial of service

Trust: 2.16

sources: NVD: CVE-2025-55852 // JVNDB: JVNDB-2025-013366 // CNVD: CNVD-2025-24488

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-24488

AFFECTED PRODUCTS

vendor:	tenda	model:	ac8	scope:	eq	version:	16.03.34.06	Trust: 1.6
vendor:	tenda	model:	ac8	scope:	eq	version:	-	Trust: 0.8
vendor:	tenda	model:	ac8	scope:	-	version:	-	Trust: 0.8
vendor:	tenda	model:	ac8	scope:	eq	version:	ac8 firmware 16.03.34.06	Trust: 0.8

sources: CNVD: CNVD-2025-24488 // JVNDB: JVNDB-2025-013366 // NVD: CVE-2025-55852

CVSS

SEVERITY

CVSSV2

CVSSV3

134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2025-55852
value:	HIGH
Trust: 1.0
OTHER:	JVNDB-2025-013366
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2025-24488
value:	HIGH
Trust: 0.6

CNVD:	CNVD-2025-24488
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-2025-55852
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-2025-013366
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-2025-24488 // JVNDB: JVNDB-2025-013366 // NVD: CVE-2025-55852

PROBLEMTYPE DATA

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

sources: JVNDB: JVNDB-2025-013366 // NVD: CVE-2025-55852

EXTERNAL IDS

db:	NVD	id:	CVE-2025-55852	Trust: 3.2
db:	JVNDB	id:	JVNDB-2025-013366	Trust: 0.8
db:	CNVD	id:	CNVD-2025-24488	Trust: 0.6

sources: CNVD: CNVD-2025-24488 // JVNDB: JVNDB-2025-013366 // NVD: CVE-2025-55852

REFERENCES

url:	https://github.com/cyberj3ff/iot/blob/main/tenda/tenda%20ac8%20v4%20v16.03.34.06/detail.md	Trust: 2.4
url:	https://nvd.nist.gov/vuln/detail/cve-2025-55852	Trust: 0.8

sources: CNVD: CNVD-2025-24488 // JVNDB: JVNDB-2025-013366 // NVD: CVE-2025-55852

SOURCES

db:	CNVD	id:	CNVD-2025-24488
db:	JVNDB	id:	JVNDB-2025-013366
db:	NVD	id:	CVE-2025-55852

LAST UPDATE DATE

2025-11-19T23:16:12.236000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2025-24488	date:	2025-10-22T00:00:00
db:	JVNDB	id:	JVNDB-2025-013366	date:	2025-09-09T01:13:00
db:	NVD	id:	CVE-2025-55852	date:	2025-09-08T14:03:07.520

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2025-24488	date:	2025-10-22T00:00:00
db:	JVNDB	id:	JVNDB-2025-013366	date:	2025-09-09T00:00:00
db:	NVD	id:	CVE-2025-55852	date:	2025-09-03T16:15:39.747