Sign-up

ID

VAR-202507-0125


CVE

CVE-2025-7087


TITLE

Belkin International  of  F9K1122  Buffer error vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-009883

DESCRIPTION

A vulnerability classified as critical was found in Belkin F9K1122 1.00.33. Affected by this vulnerability is the function formL2TPSetup of the file /goform/formL2TPSetup of the component webs. The manipulation of the argument L2TPUserName leads to stack-based buffer overflow. The attack can be launched 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. Detailed vulnerability details are not available at this time

Trust: 2.16

sources: NVD: CVE-2025-7087 // JVNDB: JVNDB-2025-009883 // CNVD: CNVD-2025-20831

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-20831

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-2025-20831 // JVNDB: JVNDB-2025-009883 // NVD: CVE-2025-7087

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-7087
value: HIGH

Trust: 1.0

OTHER: JVNDB-2025-009883
value: HIGH

Trust: 0.8

CNVD: CNVD-2025-20831
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2025-7087
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-2025-009883
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-2025-20831
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-2025-7087
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-2025-009883
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-2025-20831 // JVNDB: JVNDB-2025-009883 // NVD: CVE-2025-7087

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-2025-009883 // NVD: CVE-2025-7087

PATCH

title:Patch for Belkin F9K1122 Stack Buffer Overflow Vulnerability (CNVD-2025-20831)url:https://www.cnvd.org.cn/patchInfo/show/730121

Trust: 0.6

sources: CNVD: CNVD-2025-20831

EXTERNAL IDS

db:NVDid:CVE-2025-7087

Trust: 3.2

db:VULDBid:315001

Trust: 1.8

db:JVNDBid:JVNDB-2025-009883

Trust: 0.8

db:CNVDid:CNVD-2025-20831

Trust: 0.6

sources: CNVD: CNVD-2025-20831 // JVNDB: JVNDB-2025-009883 // NVD: CVE-2025-7087

REFERENCES

url:https://github.com/wudipjq/my_vuln/blob/main/belkin/vuln_7/7.md

Trust: 1.8

url:https://github.com/wudipjq/my_vuln/blob/main/belkin/vuln_7/7.md#poc

Trust: 1.8

url:https://vuldb.com/?id.315001

Trust: 1.8

url:https://vuldb.com/?submit.603696

Trust: 1.8

url:https://nvd.nist.gov/vuln/detail/cve-2025-7087

Trust: 1.4

url:https://vuldb.com/?ctiid.315001

Trust: 1.0

sources: CNVD: CNVD-2025-20831 // JVNDB: JVNDB-2025-009883 // NVD: CVE-2025-7087

SOURCES

db:CNVDid:CNVD-2025-20831
db:JVNDBid:JVNDB-2025-009883
db:NVDid:CVE-2025-7087

LAST UPDATE DATE

2025-09-10T23:39:47.845000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-20831date:2025-09-09T00:00:00
db:JVNDBid:JVNDB-2025-009883date:2025-07-25T04:50:00
db:NVDid:CVE-2025-7087date:2025-07-09T17:38:45.070

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-20831date:2025-09-09T00:00:00
db:JVNDBid:JVNDB-2025-009883date:2025-07-25T00:00:00
db:NVDid:CVE-2025-7087date:2025-07-06T18:15:21.863