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ID

VAR-202506-1063


CVE

CVE-2025-6400


TITLE

TOTOLINK  of  N300RH  Buffer error vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-007617

DESCRIPTION

A vulnerability was found in TOTOLINK N300RH 6.1c.1390_B20191101 and classified as critical. Affected by this issue is some unknown functionality of the file /boafrm/formPortFw of the component HTTP POST Message Handler. The manipulation of the argument service_type leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. TOTOLINK of N300RH The firmware contains a buffer error vulnerability and a classic buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. TOTOLINK N300RH is a long-distance wireless router from China's TOTOLINK Electronics. TOTOLINK N300RH has a buffer overflow vulnerability, which is caused by the parameter service_type in the file /boafrm/formPortFw failing 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-2025-6400 // JVNDB: JVNDB-2025-007617 // CNVD: CNVD-2025-14223

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-14223

AFFECTED PRODUCTS

vendor:totolinkmodel:n300rhscope:eqversion:6.1c.1390_b20191101

Trust: 1.0

vendor:totolinkmodel:n300rhscope:eqversion:n300rh firmware 6.1c.1390 b20191101

Trust: 0.8

vendor:totolinkmodel:n300rhscope: - version: -

Trust: 0.8

vendor:totolinkmodel:n300rhscope:eqversion: -

Trust: 0.8

vendor:totolinkmodel:n300rh 6.1c.1390 b20191101scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2025-14223 // JVNDB: JVNDB-2025-007617 // NVD: CVE-2025-6400

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-6400
value: HIGH

Trust: 1.0

OTHER: JVNDB-2025-007617
value: HIGH

Trust: 0.8

CNVD: CNVD-2025-14223
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2025-6400
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-2025-007617
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-2025-14223
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-2025-6400
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-2025-007617
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-2025-14223 // JVNDB: JVNDB-2025-007617 // NVD: CVE-2025-6400

PROBLEMTYPE DATA

problemtype:CWE-119

Trust: 1.0

problemtype:CWE-120

Trust: 1.0

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

Trust: 0.8

problemtype: Classic buffer overflow (CWE-120) [ others ]

Trust: 0.8

sources: JVNDB: JVNDB-2025-007617 // NVD: CVE-2025-6400

EXTERNAL IDS

db:NVDid:CVE-2025-6400

Trust: 3.2

db:VULDBid:313394

Trust: 1.8

db:JVNDBid:JVNDB-2025-007617

Trust: 0.8

db:CNVDid:CNVD-2025-14223

Trust: 0.6

sources: CNVD: CNVD-2025-14223 // JVNDB: JVNDB-2025-007617 // NVD: CVE-2025-6400

REFERENCES

url:https://github.com/d2pq/cve/blob/main/616/20.md

Trust: 2.4

url:https://github.com/d2pq/cve/blob/main/616/20.md#poc

Trust: 1.8

url:https://vuldb.com/?id.313394

Trust: 1.8

url:https://vuldb.com/?submit.597687

Trust: 1.8

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

Trust: 1.8

url:https://vuldb.com/?ctiid.313394

Trust: 1.0

url:https://nvd.nist.gov/vuln/detail/cve-2025-6400

Trust: 0.8

sources: CNVD: CNVD-2025-14223 // JVNDB: JVNDB-2025-007617 // NVD: CVE-2025-6400

SOURCES

db:CNVDid:CNVD-2025-14223
db:JVNDBid:JVNDB-2025-007617
db:NVDid:CVE-2025-6400

LAST UPDATE DATE

2025-07-02T19:35:03.027000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-14223date:2025-06-27T00:00:00
db:JVNDBid:JVNDB-2025-007617date:2025-07-01T03:28:00
db:NVDid:CVE-2025-6400date:2025-06-25T20:13:52.420

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-14223date:2025-06-27T00:00:00
db:JVNDBid:JVNDB-2025-007617date:2025-07-01T00:00:00
db:NVDid:CVE-2025-6400date:2025-06-21T06:15:19.577