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ID

VAR-202508-0338


CVE

CVE-2025-8820


TITLE

Linksys  of  RE6250  Buffer error vulnerabilities in firmware and other products from multiple vendors

Trust: 0.8

sources: JVNDB: JVNDB-2025-013040

DESCRIPTION

A vulnerability was determined in Linksys RE6250, RE6300, RE6350, RE6500, RE7000 and RE9000 up to 20250801. This vulnerability affects the function wirelessBasic of the file /goform/wirelessBasic. The manipulation of the argument submit_SSID1 leads to stack-based buffer overflow. The attack can be initiated 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. Linksys of RE6250 Firmware and other products from multiple vendors contain buffer error vulnerabilities and stack-based buffer overflow vulnerabilities.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state

Trust: 1.62

sources: NVD: CVE-2025-8820 // JVNDB: JVNDB-2025-013040

AFFECTED PRODUCTS

vendor:linksysmodel:re9000scope:eqversion:1.0.04.002

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vendor:linksysmodel:re6250scope:eqversion:1.0.04.001

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vendor:linksysmodel:re6500scope:eqversion:1.0.013.001

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vendor:linksysmodel:re7000scope:eqversion:1.1.05.003

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vendor:linksysmodel:re6300scope:eqversion:1.2.07.001

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vendor:linksysmodel:re6350scope:eqversion:1.0.04.001

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vendor:linksysmodel:re6300scope: - version: -

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vendor:linksysmodel:re7000scope: - version: -

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vendor:linksysmodel:re9000scope: - version: -

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vendor:linksysmodel:re6350scope: - version: -

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vendor:linksysmodel:re6250scope: - version: -

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vendor:belkinmodel:re6500scope: - version: -

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sources: JVNDB: JVNDB-2025-013040 // NVD: CVE-2025-8820

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-8820
value: HIGH

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OTHER: JVNDB-2025-013040
value: HIGH

Trust: 0.8

cna@vuldb.com: CVE-2025-8820
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-2025-013040
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

cna@vuldb.com: CVE-2025-8820
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-2025-013040
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: JVNDB: JVNDB-2025-013040 // NVD: CVE-2025-8820

PROBLEMTYPE DATA

problemtype:CWE-119

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problemtype:CWE-121

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

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

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sources: JVNDB: JVNDB-2025-013040 // NVD: CVE-2025-8820

EXTERNAL IDS

db:NVDid:CVE-2025-8820

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db:VULDBid:319354

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db:JVNDBid:JVNDB-2025-013040

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sources: JVNDB: JVNDB-2025-013040 // NVD: CVE-2025-8820

REFERENCES

url:https://github.com/wudipjq/my_vuln/blob/main/linksys1/vuln_54/54.md

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url:https://github.com/wudipjq/my_vuln/blob/main/linksys1/vuln_54/54.md#poc

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url:https://vuldb.com/?id.319354

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url:https://vuldb.com/?submit.626684

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url:https://www.linksys.com/

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url:https://vuldb.com/?ctiid.319354

Trust: 1.0

url:https://nvd.nist.gov/vuln/detail/cve-2025-8820

Trust: 0.8

sources: JVNDB: JVNDB-2025-013040 // NVD: CVE-2025-8820

SOURCES

db:JVNDBid:JVNDB-2025-013040
db:NVDid:CVE-2025-8820

LAST UPDATE DATE

2025-09-10T23:22:20.133000+00:00


SOURCES UPDATE DATE

db:JVNDBid:JVNDB-2025-013040date:2025-09-05T06:30:00
db:NVDid:CVE-2025-8820date:2025-09-04T18:40:46.557

SOURCES RELEASE DATE

db:JVNDBid:JVNDB-2025-013040date:2025-09-05T00:00:00
db:NVDid:CVE-2025-8820date:2025-08-11T00:15:25.607