Details of VAR-202504-3390

ID

VAR-202504-3390

CVE

CVE-2025-28031

TITLE

TOTOLINK of A810R Hardcoded password usage vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-004144

DESCRIPTION

TOTOLINK A810R V4.1.2cu.5182_B20201026 was discovered to contain a hardcoded password for the telnet service in product.ini. TOTOLINK of A810R A vulnerability exists in the firmware related to the use of hardcoded passwords.Information may be obtained and information may be tampered with. TOTOLINK A810R is a wireless dual-band router from China's TOTOLINK Electronics. TOTOLINK A810R V4.1.2cu.5182_B20201026 has a trust management vulnerability, which is caused by a hard-coded password in product.ini. Attackers can exploit this vulnerability to cause authentication errors

Trust: 2.16

sources: NVD: CVE-2025-28031 // JVNDB: JVNDB-2025-004144 // CNVD: CNVD-2025-09865

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2025-09865

AFFECTED PRODUCTS

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

sources: CNVD: CNVD-2025-09865 // JVNDB: JVNDB-2025-004144 // NVD: CVE-2025-28031

CVSS

SEVERITY

CVSSV2

CVSSV3

134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2025-28031
value:	MEDIUM
Trust: 1.0
OTHER:	JVNDB-2025-004144
value:	MEDIUM
Trust: 0.8
CNVD:	CNVD-2025-09865
value:	MEDIUM
Trust: 0.6

CNVD:	CNVD-2025-09865
severity:	MEDIUM
baseScore:	6.1
vectorString:	AV:N/AC:H/AU:N/C:C/I:P/A:N
accessVector:	NETWORK
accessComplexity:	HIGH
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	PARTIAL
availabilityImpact:	NONE
exploitabilityScore:	4.9
impactScore:	7.8
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

134c704f-9b21-4f2e-91b3-4a467353bcc0:	CVE-2025-28031
baseSeverity:	MEDIUM
baseScore:	6.5
vectorString:	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
attackVector:	NETWORK
attackComplexity:	HIGH
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	LOW
availabilityImpact:	NONE
exploitabilityScore:	2.2
impactScore:	4.2
version:	3.1
Trust: 1.0
OTHER:	JVNDB-2025-004144
baseSeverity:	MEDIUM
baseScore:	6.5
vectorString:	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
attackVector:	NETWORK
attackComplexity:	HIGH
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	LOW
availabilityImpact:	NONE
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: CNVD: CNVD-2025-09865 // JVNDB: JVNDB-2025-004144 // NVD: CVE-2025-28031

PROBLEMTYPE DATA

problemtype:	CWE-259	Trust: 1.0
problemtype:	Using hardcoded passwords (CWE-259) [ others ]	Trust: 0.8

sources: JVNDB: JVNDB-2025-004144 // NVD: CVE-2025-28031

EXTERNAL IDS

db:	NVD	id:	CVE-2025-28031	Trust: 3.2
db:	JVNDB	id:	JVNDB-2025-004144	Trust: 0.8
db:	CNVD	id:	CNVD-2025-09865	Trust: 0.6

sources: CNVD: CNVD-2025-09865 // JVNDB: JVNDB-2025-004144 // NVD: CVE-2025-28031

REFERENCES

url:	https://locrian-lightning-dc7.notion.site/hard-code-password-19f8e5e2b1a2803f864afbbc4262152e?pvs=73	Trust: 2.4
url:	https://nvd.nist.gov/vuln/detail/cve-2025-28031	Trust: 0.8

sources: CNVD: CNVD-2025-09865 // JVNDB: JVNDB-2025-004144 // NVD: CVE-2025-28031

SOURCES

db:	CNVD	id:	CNVD-2025-09865
db:	JVNDB	id:	JVNDB-2025-004144
db:	NVD	id:	CVE-2025-28031

LAST UPDATE DATE

2025-05-17T23:09:01.444000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2025-09865	date:	2025-05-15T00:00:00
db:	JVNDB	id:	JVNDB-2025-004144	date:	2025-04-30T08:04:00
db:	NVD	id:	CVE-2025-28031	date:	2025-04-29T16:21:10.783

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2025-09865	date:	2025-05-13T00:00:00
db:	JVNDB	id:	JVNDB-2025-004144	date:	2025-04-30T00:00:00
db:	NVD	id:	CVE-2025-28031	date:	2025-04-22T16:15:45.250