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ID

VAR-202506-1174


CVE

CVE-2025-6487


TITLE

TOTOLINK  of  A3002R  Buffer error vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-008175

DESCRIPTION

A vulnerability was found in TOTOLINK A3002R 1.1.1-B20200824.0128. It has been rated as critical. This issue affects the function formRoute of the file /boafrm/formRoute. The manipulation of the argument subnet leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. TOTOLINK of A3002R The firmware contains a buffer error vulnerability and a stack-based buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. TOTOLINK A3002R is a wireless router produced by China's TOTOLINK Electronics Company. TOTOLINK A3002R has a stack buffer overflow vulnerability. The vulnerability is caused by the failure of the parameter subnet in the file /boafrm/formRoute to correctly verify the length of the input data. Attackers can exploit this vulnerability to execute arbitrary code on the system or cause a denial of service

Trust: 2.16

sources: NVD: CVE-2025-6487 // JVNDB: JVNDB-2025-008175 // CNVD: CNVD-2025-14525

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-14525

AFFECTED PRODUCTS

vendor:totolinkmodel:a3002rscope:eqversion:1.1.1-b20200824.0128

Trust: 1.0

vendor:totolinkmodel:a3002rscope:eqversion: -

Trust: 0.8

vendor:totolinkmodel:a3002rscope:eqversion:a3002r firmware 1.1.1-b20200824.0128

Trust: 0.8

vendor:totolinkmodel:a3002rscope: - version: -

Trust: 0.8

vendor:totolinkmodel:a3002r 1.1.1-b20200824.0128scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2025-14525 // JVNDB: JVNDB-2025-008175 // NVD: CVE-2025-6487

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-6487
value: HIGH

Trust: 1.0

OTHER: JVNDB-2025-008175
value: HIGH

Trust: 0.8

CNVD: CNVD-2025-14525
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2025-6487
severity: HIGH
baseScore: 9.0
vectorString: AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.0

OTHER: JVNDB-2025-008175
severity: HIGH
baseScore: 9.0
vectorString: AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: NONE
impactScore: NONE
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.8

CNVD: CNVD-2025-14525
severity: HIGH
baseScore: 9.0
vectorString: AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

cna@vuldb.com: CVE-2025-6487
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 5.9
version: 3.1

Trust: 1.0

OTHER: JVNDB-2025-008175
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2025-14525 // JVNDB: JVNDB-2025-008175 // NVD: CVE-2025-6487

PROBLEMTYPE DATA

problemtype:CWE-121

Trust: 1.0

problemtype:CWE-119

Trust: 1.0

problemtype:Buffer error (CWE-119) [ others ]

Trust: 0.8

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

Trust: 0.8

sources: JVNDB: JVNDB-2025-008175 // NVD: CVE-2025-6487

EXTERNAL IDS

db:NVDid:CVE-2025-6487

Trust: 3.2

db:VULDBid:313595

Trust: 1.8

db:JVNDBid:JVNDB-2025-008175

Trust: 0.8

db:CNVDid:CNVD-2025-14525

Trust: 0.6

sources: CNVD: CNVD-2025-14525 // JVNDB: JVNDB-2025-008175 // NVD: CVE-2025-6487

REFERENCES

url:https://github.com/wudipjq/my_vuln/blob/main/totolink3/vuln_36/36.md

Trust: 2.4

url:https://vuldb.com/?id.313595

Trust: 1.8

url:https://vuldb.com/?submit.600729

Trust: 1.8

url:https://www.totolink.net/

Trust: 1.8

url:https://vuldb.com/?ctiid.313595

Trust: 1.0

url:https://nvd.nist.gov/vuln/detail/cve-2025-6487

Trust: 0.8

sources: CNVD: CNVD-2025-14525 // JVNDB: JVNDB-2025-008175 // NVD: CVE-2025-6487

SOURCES

db:CNVDid:CNVD-2025-14525
db:JVNDBid:JVNDB-2025-008175
db:NVDid:CVE-2025-6487

LAST UPDATE DATE

2025-07-09T19:34:40.324000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-14525date:2025-07-01T00:00:00
db:JVNDBid:JVNDB-2025-008175date:2025-07-08T06:58:00
db:NVDid:CVE-2025-6487date:2025-07-07T18:50:45.060

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-14525date:2025-07-01T00:00:00
db:JVNDBid:JVNDB-2025-008175date:2025-07-08T00:00:00
db:NVDid:CVE-2025-6487date:2025-06-22T18:15:22.783