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ID

VAR-202507-0048


CVE

CVE-2025-7086


TITLE

Belkin International  of  F9K1122  Buffer error vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-008619

DESCRIPTION

A vulnerability classified as critical has been found in Belkin F9K1122 1.00.33. Affected is the function formPPTPSetup of the file /goform/formPPTPSetup of the component webs. The manipulation of the argument pptpUserName leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way. Belkin International of F9K1122 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. The Belkin F9K1122 is a WiFi extender. This vulnerability stems from a failure to properly validate the length of the input data in the parameter pptpUserName in the file /goform/formPPTPSetup. Detailed vulnerability details are not available at this time

Trust: 2.16

sources: NVD: CVE-2025-7086 // JVNDB: JVNDB-2025-008619 // CNVD: CNVD-2025-20440

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-20440

AFFECTED PRODUCTS

vendor:belkinmodel:f9k1122scope:eqversion:1.00.33

Trust: 1.6

vendor:belkinmodel:f9k1122scope:eqversion:f9k1122 firmware 1.00.33

Trust: 0.8

vendor:belkinmodel:f9k1122scope: - version: -

Trust: 0.8

vendor:belkinmodel:f9k1122scope:eqversion: -

Trust: 0.8

sources: CNVD: CNVD-2025-20440 // JVNDB: JVNDB-2025-008619 // NVD: CVE-2025-7086

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-7086
value: HIGH

Trust: 1.0

OTHER: JVNDB-2025-008619
value: HIGH

Trust: 0.8

CNVD: CNVD-2025-20440
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2025-7086
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-2025-008619
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-2025-20440
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-2025-7086
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-2025-008619
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-2025-20440 // JVNDB: JVNDB-2025-008619 // NVD: CVE-2025-7086

PROBLEMTYPE DATA

problemtype:CWE-119

Trust: 1.0

problemtype:CWE-121

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-2025-008619 // NVD: CVE-2025-7086

PATCH

title:Patch for Belkin F9K1122 Stack Buffer Overflow Vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/729181

Trust: 0.6

sources: CNVD: CNVD-2025-20440

EXTERNAL IDS

db:NVDid:CVE-2025-7086

Trust: 3.2

db:VULDBid:315000

Trust: 1.8

db:JVNDBid:JVNDB-2025-008619

Trust: 0.8

db:CNVDid:CNVD-2025-20440

Trust: 0.6

sources: CNVD: CNVD-2025-20440 // JVNDB: JVNDB-2025-008619 // NVD: CVE-2025-7086

REFERENCES

url:https://github.com/wudipjq/my_vuln/blob/main/belkin/vuln_6/6.md

Trust: 1.8

url:https://github.com/wudipjq/my_vuln/blob/main/belkin/vuln_6/6.md#poc

Trust: 1.8

url:https://vuldb.com/?id.315000

Trust: 1.8

url:https://vuldb.com/?submit.603695

Trust: 1.8

url:https://nvd.nist.gov/vuln/detail/cve-2025-7086

Trust: 1.4

url:https://vuldb.com/?ctiid.315000

Trust: 1.0

sources: CNVD: CNVD-2025-20440 // JVNDB: JVNDB-2025-008619 // NVD: CVE-2025-7086

SOURCES

db:CNVDid:CNVD-2025-20440
db:JVNDBid:JVNDB-2025-008619
db:NVDid:CVE-2025-7086

LAST UPDATE DATE

2025-09-08T23:16:47.512000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-20440date:2025-09-05T00:00:00
db:JVNDBid:JVNDB-2025-008619date:2025-07-11T12:45:00
db:NVDid:CVE-2025-7086date:2025-07-09T17:38:54.723

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-20440date:2025-09-05T00:00:00
db:JVNDBid:JVNDB-2025-008619date:2025-07-11T00:00:00
db:NVDid:CVE-2025-7086date:2025-07-06T17:15:24.003