CVE-2026-9346

A flaw has been found in Edimax EW-7438RPn up to 1.31. This impacts the function formWirelessTbl of the file /goform/formWirelessTbl of the component webs. Executing a manipulation of the argument submit-url can lead to buffer overflow. The attack may be performed from remote. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3 8.8 HIGH
CVSS v2.0 9.0 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.0^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:S/C:C/I:C/A:C

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/wudipjq/my_vuln/blob/main/Edimax/vuln_4/4.md
https://vuldb.com/submit/811541
https://vuldb.com/submit/813888
https://vuldb.com/vuln/365309
https://vuldb.com/vuln/365309/cti

Configurations

No configuration.

History

23 Jul 2026, 11:10

Type	Values Removed	Values Added
Summary		(es) Se ha encontrado una vulnerabilidad en Edimax EW-7438RPn hasta 1.31. Esto afecta a la función formWirelessTbl del archivo /goform/formWirelessTbl del componente webs. Ejecutar una manipulación del argumento submit-url puede llevar a un desbordamiento de búfer. El ataque puede realizarse desde remoto. El exploit ha sido publicado y puede ser utilizado. Se contactó al proveedor con antelación sobre esta divulgación, pero no respondió de ninguna manera.

24 May 2026, 02:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-24 02:16

Updated : 2026-07-23 11:10

NVD link : CVE-2026-9346

Mitre link : CVE-2026-9346

CVE.ORG link : CVE-2026-9346

JSON object : View

Products Affected

No product.

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

{"id": "CVE-2026-9346", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-9346", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-05-29T18:14:19.642950Z"}}], "cvssMetricV2": [{"type": "Secondary", "source": "cna@vuldb.com", "cvssData": {"version": "2.0", "baseScore": 9.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "authentication": "SINGLE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "source": "cna@vuldb.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}], "cvssMetricV40": [{"type": "Secondary", "source": "cna@vuldb.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 7.4, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "PROOF_OF_CONCEPT", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "cna@vuldb.com", "affectedData": [{"cpes": ["cpe:2.3:a:edimax:ew-7438rpn:*:*:*:*:*:*:*:*"], "vendor": "Edimax", "modules": ["webs"], "product": "EW-7438RPn", "versions": [{"status": "affected", "version": "1.0"}, {"status": "affected", "version": "1.1"}, {"status": "affected", "version": "1.2"}, {"status": "affected", "version": "1.3"}, {"status": "affected", "version": "1.4"}, {"status": "affected", "version": "1.5"}, {"status": "affected", "version": "1.6"}, {"status": "affected", "version": "1.7"}, {"status": "affected", "version": "1.8"}, {"status": "affected", "version": "1.9"}, {"status": "affected", "version": "1.10"}, {"status": "affected", "version": "1.11"}, {"status": "affected", "version": "1.12"}, {"status": "affected", "version": "1.13"}, {"status": "affected", "version": "1.14"}, {"status": "affected", "version": "1.15"}, {"status": "affected", "version": "1.16"}, {"status": "affected", "version": "1.17"}, {"status": "affected", "version": "1.18"}, {"status": "affected", "version": "1.19"}, {"status": "affected", "version": "1.20"}, {"status": "affected", "version": "1.21"}, {"status": "affected", "version": "1.22"}, {"status": "affected", "version": "1.23"}, {"status": "affected", "version": "1.24"}, {"status": "affected", "version": "1.25"}, {"status": "affected", "version": "1.26"}, {"status": "affected", "version": "1.27"}, {"status": "affected", "version": "1.28"}, {"status": "affected", "version": "1.29"}, {"status": "affected", "version": "1.30"}, {"status": "affected", "version": "1.31"}]}]}], "published": "2026-05-24T02:16:45.150", "references": [{"url": "https://github.com/wudipjq/my_vuln/blob/main/Edimax/vuln_4/4.md", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/submit/811541", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/submit/813888", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/vuln/365309", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/vuln/365309/cti", "source": "cna@vuldb.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "cna@vuldb.com", "description": [{"lang": "en", "value": "CWE-119"}, {"lang": "en", "value": "CWE-120"}]}], "descriptions": [{"lang": "en", "value": "A flaw has been found in Edimax EW-7438RPn up to 1.31. This impacts the function formWirelessTbl of the file /goform/formWirelessTbl of the component webs. Executing a manipulation of the argument submit-url can lead to buffer overflow. The attack may be performed from remote. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way."}, {"lang": "es", "value": "Se ha encontrado una vulnerabilidad en Edimax EW-7438RPn hasta 1.31. Esto afecta a la funci\u00f3n formWirelessTbl del archivo /goform/formWirelessTbl del componente webs. Ejecutar una manipulaci\u00f3n del argumento submit-url puede llevar a un desbordamiento de b\u00fafer. El ataque puede realizarse desde remoto. El exploit ha sido publicado y puede ser utilizado. Se contact\u00f3 al proveedor con antelaci\u00f3n sobre esta divulgaci\u00f3n, pero no respondi\u00f3 de ninguna manera."}], "lastModified": "2026-07-23T11:10:00.120", "sourceIdentifier": "cna@vuldb.com"}