Details of VAR-202504-3251

ID

VAR-202504-3251

CVE

CVE-2025-28030

TITLE

TOTOLINK of A810R Stack-based buffer overflow vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-004100

DESCRIPTION

TOTOLINK A810R V4.1.2cu.5182_B20201026 was discovered to contain a stack overflow via the startTime and endTime parameters in setParentalRules function. TOTOLINK of A810R A stack-based buffer overflow vulnerability exists in the firmware.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. TOTOLINK A810R is a wireless dual-band router from China's TOTOLINK Electronics. TOTOLINK A810R V4.1.2cu.5182_B20201026 has a buffer overflow vulnerability. The vulnerability is caused by the startTime and endTime parameters in the setParentalRules function failing to correctly verify the length of the input data. Remote attackers can exploit this vulnerability to execute arbitrary code on the system or cause a denial of service

Trust: 2.16

sources: NVD: CVE-2025-28030 // JVNDB: JVNDB-2025-004100 // CNVD: CNVD-2025-09864

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-09864

AFFECTED PRODUCTS

vendor:	totolink	model:	a810r	scope:	eq	version:	4.1.2cu.5182_b20201026	Trust: 1.0
vendor:	totolink	model:	a810r	scope:	eq	version:	-	Trust: 0.8
vendor:	totolink	model:	a810r	scope:	-	version:	-	Trust: 0.8
vendor:	totolink	model:	a810r	scope:	eq	version:	a810r firmware 4.1.2cu.5182 b20201026	Trust: 0.8
vendor:	totolink	model:	a810r v4.1.2cu.5182 b20201026	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2025-09864 // JVNDB: JVNDB-2025-004100 // NVD: CVE-2025-28030

CVSS

SEVERITY

CVSSV2

CVSSV3

134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2025-28030
value:	HIGH
Trust: 1.0
OTHER:	JVNDB-2025-004100
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2025-09864
value:	HIGH
Trust: 0.6

CNVD:	CNVD-2025-09864
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

134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2025-28030
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	REQUIRED
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	2.8
impactScore:	5.9
version:	3.1
Trust: 1.0
OTHER:	JVNDB-2025-004100
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	REQUIRED
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: CNVD: CNVD-2025-09864 // JVNDB: JVNDB-2025-004100 // NVD: CVE-2025-28030

PROBLEMTYPE DATA

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

sources: JVNDB: JVNDB-2025-004100 // NVD: CVE-2025-28030

EXTERNAL IDS

db:	NVD	id:	CVE-2025-28030	Trust: 3.2
db:	JVNDB	id:	JVNDB-2025-004100	Trust: 0.8
db:	CNVD	id:	CNVD-2025-09864	Trust: 0.6

sources: CNVD: CNVD-2025-09864 // JVNDB: JVNDB-2025-004100 // NVD: CVE-2025-28030

REFERENCES

url:	https://locrian-lightning-dc7.notion.site/bufferoverflow6-19f8e5e2b1a2803db1d9ce7b4d06e2e0?pvs=73	Trust: 2.4
url:	https://nvd.nist.gov/vuln/detail/cve-2025-28030	Trust: 0.8

sources: CNVD: CNVD-2025-09864 // JVNDB: JVNDB-2025-004100 // NVD: CVE-2025-28030

SOURCES

db:	CNVD	id:	CNVD-2025-09864
db:	JVNDB	id:	JVNDB-2025-004100
db:	NVD	id:	CVE-2025-28030

LAST UPDATE DATE

2025-05-17T03:57:18.349000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2025-09864	date:	2025-05-15T00:00:00
db:	JVNDB	id:	JVNDB-2025-004100	date:	2025-04-30T05:07:00
db:	NVD	id:	CVE-2025-28030	date:	2025-04-29T16:21:07.407

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2025-09864	date:	2025-05-13T00:00:00
db:	JVNDB	id:	JVNDB-2025-004100	date:	2025-04-30T00:00:00
db:	NVD	id:	CVE-2025-28030	date:	2025-04-22T16:15:45.123