CVE-2026-6114

A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this issue is the function setNetworkCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument proto results in os command injection. The attack may be initiated remotely. The exploit is now public and may be used.

CVSS v3 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_179/README.md
https://vuldb.com/submit/792247
https://vuldb.com/vuln/356974
https://vuldb.com/vuln/356974/cti
https://www.totolink.net/

Configurations

No configuration.

History

26 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Se detectó una vulnerabilidad en Totolink A7100RU 7.4cu.2313_b20191024. Afectada por este problema está la función setNetworkCfg del archivo /cgi-bin/cstecgi.cgi del componente Gestor CGI. Realizar una manipulación del argumento proto resulta en una inyección de comandos del sistema operativo. El ataque puede ser iniciado de forma remota. El exploit ahora es público y puede ser utilizado.

Information

Published : 2026-04-12 04:16

Updated : 2026-10-26 21:10

NVD link : CVE-2026-6114

Mitre link : CVE-2026-6114

CVE.ORG link : CVE-2026-6114

JSON object : View

Products Affected

No product.

CWE

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

{"id": "CVE-2026-6114", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-6114", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-04-14T15:17:47.979303Z"}}], "cvssMetricV2": [{"type": "Secondary", "source": "cna@vuldb.com", "cvssData": {"version": "2.0", "baseScore": 10.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "source": "cna@vuldb.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}], "cvssMetricV40": [{"type": "Secondary", "source": "cna@vuldb.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.9, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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": "NONE", "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:o:totolink:a7100ru_firmware:*:*:*:*:*:*:*:*"], "vendor": "Totolink", "modules": ["CGI Handler"], "product": "A7100RU", "versions": [{"status": "affected", "version": "7.4cu.2313_b20191024"}]}]}], "published": "2026-04-12T04:16:49.267", "references": [{"url": "https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_179/README.md", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/submit/792247", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/vuln/356974", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/vuln/356974/cti", "source": "cna@vuldb.com"}, {"url": "https://www.totolink.net/", "source": "cna@vuldb.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "cna@vuldb.com", "description": [{"lang": "en", "value": "CWE-77"}, {"lang": "en", "value": "CWE-78"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this issue is the function setNetworkCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument proto results in os command injection. The attack may be initiated remotely. The exploit is now public and may be used."}, {"lang": "es", "value": "Se detect\u00f3 una vulnerabilidad en Totolink A7100RU 7.4cu.2313_b20191024. Afectada por este problema est\u00e1 la funci\u00f3n setNetworkCfg del archivo /cgi-bin/cstecgi.cgi del componente Gestor CGI. Realizar una manipulaci\u00f3n del argumento proto resulta en una inyecci\u00f3n de comandos del sistema operativo. El ataque puede ser iniciado de forma remota. El exploit ahora es p\u00fablico y puede ser utilizado."}], "lastModified": "2026-10-26T21:10:00.170", "sourceIdentifier": "cna@vuldb.com"}