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ID

VAR-202312-0971


CVE

CVE-2023-49418


TITLE

TOTOLINK A7000R setIpPortFilterRules stack buffer overflow vulnerability

Trust: 0.6

sources: CNVD: CNVD-2025-27274

DESCRIPTION

TOTOLink A7000R V9.1.0u.6115_B20201022has a stack overflow vulnerability via setIpPortFilterRules. The TOTOLINK A7000R is a wireless router launched by TOTOLINK Electronics Co., Ltd. in China. It supports WiFi 7 technology and is suitable for home or small business network environments. This vulnerability stems from the fact that `setIpPortFilterRules` fails to properly validate the length of input data. Attackers could exploit this vulnerability to execute arbitrary code on the system or cause a denial-of-service attack

Trust: 1.44

sources: NVD: CVE-2023-49418 // CNVD: CNVD-2025-27274

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-27274

AFFECTED PRODUCTS

vendor:totolinkmodel:a7000rscope:eqversion:9.1.0u.6115_b20201022

Trust: 1.0

vendor:totolinkmodel:a7000r v9.1.0u.6115 b20201022scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2025-27274 // NVD: CVE-2023-49418

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2023-49418
value: CRITICAL

Trust: 1.0

CNVD: CNVD-2025-27274
value: HIGH

Trust: 0.6

CNVD: CNVD-2025-27274
severity: HIGH
baseScore: 10.0
vectorString: AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 10.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2023-49418
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 5.9
version: 3.1

Trust: 1.0

sources: CNVD: CNVD-2025-27274 // NVD: CVE-2023-49418

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.0

sources: NVD: CVE-2023-49418

EXTERNAL IDS

db:NVDid:CVE-2023-49418

Trust: 1.6

db:CNVDid:CNVD-2025-27274

Trust: 0.6

sources: CNVD: CNVD-2025-27274 // NVD: CVE-2023-49418

REFERENCES

url:https://github.com/cnitlrt/iot_vuln/tree/master/totolink/a7000r/setipportfilterrules

Trust: 1.6

sources: CNVD: CNVD-2025-27274 // NVD: CVE-2023-49418

SOURCES

db:CNVDid:CNVD-2025-27274
db:NVDid:CVE-2023-49418

LAST UPDATE DATE

2025-11-19T23:25:04.180000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-27274date:2025-11-07T00:00:00
db:NVDid:CVE-2023-49418date:2023-12-13T20:26:37.280

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-27274date:2025-11-07T00:00:00
db:NVDid:CVE-2023-49418date:2023-12-11T14:15:31.800