CVE-2025-34049

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-34049", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2025-04-15T19:15:22.548Z", "datePublished": "2025-06-26T15:52:12.197Z", "dateUpdated": "2026-04-07T14:09:13.221Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "modules": ["Web Management Interface (formPing and formTracert diagnostic command handlers)", "target_addr (POST parameter in formTracert and formPing endpoints)"], "product": "ONT1GEW GPON", "vendor": "OptiLink", "versions": [{"lessThanOrEqual": "V2.1.11_X101 Build 1127.190306", "status": "affected", "version": "0", "versionType": "custom"}]}], "credits": [{"lang": "en", "type": "finder", "value": "SecNigma"}, {"lang": "en", "type": "finder", "value": "Amal"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "An OS command injection vulnerability exists in the OptiLink ONT1GEW GPON router firmware version V2.1.11_X101 Build 1127.190306 and earlier. The router\u2019s web management interface fails to properly sanitize user input in the <code>target_addr</code> parameter of the <code>formTracert</code> and <code>formPing</code> administrative endpoints. An authenticated attacker can inject arbitrary operating system commands, which are executed with root privileges, leading to remote code execution. Successful exploitation enables full compromise of the device.&nbsp;Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-04 UTC.<br>"}], "value": "An OS command injection vulnerability exists in the OptiLink ONT1GEW GPON router firmware version V2.1.11_X101 Build 1127.190306 and earlier. The router\u2019s web management interface fails to properly sanitize user input in the target_addr parameter of the formTracert and formPing administrative endpoints. An authenticated attacker can inject arbitrary operating system commands, which are executed with root privileges, leading to remote code execution. Successful exploitation enables full compromise of the device.\u00a0Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-04 UTC."}], "impacts": [{"capecId": "CAPEC-88", "descriptions": [{"lang": "en", "value": "CAPEC-88 OS Command Injection"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 9.4, "baseSeverity": "CRITICAL", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-78", "description": "CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-04-07T14:09:13.221Z"}, "references": [{"tags": ["exploit"], "url": "https://www.exploit-db.com/exploits/49955"}, {"tags": ["product"], "url": "https://optilinknetwork.com/"}, {"tags": ["third-party-advisory"], "url": "https://vulncheck.com/advisories/optilink-ont1gew-router-rce"}, {"tags": ["exploit"], "url": "https://packetstorm.news/files/id/162993"}], "source": {"discovery": "UNKNOWN"}, "tags": ["x_known-exploited-vulnerability"], "title": "OptiLink ONT1GEW GPON Remote Code Execution", "x_generator": {"engine": "Vulnogram 0.2.0"}, "datePublic": "2021-06-07T00:00:00.000Z"}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-06-26T17:36:49.953396Z", "id": "CVE-2025-34049", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-06-26T17:37:23.107Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-34049", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-06-26T17:36:49.953396Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-06-26T17:37:12.784Z"}}], "cna": {"tags": ["x_known-exploited-vulnerability"], "title": "OptiLink ONT1GEW GPON Remote Code Execution", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "value": "SecNigma"}, {"lang": "en", "type": "finder", "value": "Amal"}], "impacts": [{"capecId": "CAPEC-88", "descriptions": [{"lang": "en", "value": "CAPEC-88 OS Command Injection"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 9.4, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "subIntegrityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "OptiLink", "modules": ["Web Management Interface (formPing and formTracert diagnostic command handlers)", "target_addr (POST parameter in formTracert and formPing endpoints)"], "product": "ONT1GEW GPON", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "V2.1.11_X101 Build 1127.190306"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://www.exploit-db.com/exploits/49955", "tags": ["exploit"]}, {"url": "https://optilinknetwork.com/", "tags": ["product"]}, {"url": "https://vulncheck.com/advisories/optilink-ont1gew-router-rce", "tags": ["third-party-advisory"]}, {"url": "https://packetstorm.news/files/id/162993", "tags": ["exploit"]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "An OS command injection vulnerability exists in the OptiLink ONT1GEW GPON router firmware version V2.1.11_X101 Build 1127.190306 and earlier. The router\u2019s web management interface fails to properly sanitize user input in the target_addr parameter of the formTracert and formPing administrative endpoints. An authenticated attacker can inject arbitrary operating system commands, which are executed with root privileges, leading to remote code execution. Successful exploitation enables full compromise of the device.\u00a0Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-04 UTC.", "supportingMedia": [{"type": "text/html", "value": "An OS command injection vulnerability exists in the OptiLink ONT1GEW GPON router firmware version V2.1.11_X101 Build 1127.190306 and earlier. The router\u2019s web management interface fails to properly sanitize user input in the <code>target_addr</code> parameter of the <code>formTracert</code> and <code>formPing</code> administrative endpoints. An authenticated attacker can inject arbitrary operating system commands, which are executed with root privileges, leading to remote code execution. Successful exploitation enables full compromise of the device.&nbsp;Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-04 UTC.<br>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-78", "description": "CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')"}]}], "providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2025-12-31T20:14:17.226Z"}}}, "cveMetadata": {"cveId": "CVE-2025-34049", "state": "PUBLISHED", "dateUpdated": "2025-12-31T20:14:17.226Z", "dateReserved": "2025-04-15T19:15:22.548Z", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "datePublished": "2025-06-26T15:52:12.197Z", "assignerShortName": "VulnCheck"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "modules": ["Web Management Interface (formPing and formTracert diagnostic command handlers)", "target_addr (POST parameter in formTracert and formPing endpoints)"], "product": "ONT1GEW GPON", "vendor": "OptiLink", "versions": [{"lessThanOrEqual": "V2.1.11_X101 Build 1127.190306", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An OS command injection vulnerability exists in the OptiLink ONT1GEW GPON router firmware version V2.1.11_X101 Build 1127.190306 and earlier. The router\u2019s web management interface fails to properly sanitize user input in the target_addr parameter of the formTracert and formPing administrative endpoints. An authenticated attacker can inject arbitrary operating system commands, which are executed with root privileges, leading to remote code execution. Successful exploitation enables full compromise of the device.\u00a0Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-04 UTC."}, {"lang": "es", "value": "Existe una vulnerabilidad de inyecci\u00f3n de comandos del sistema operativo en el firmware del router OptiLink ONT1GEW GPON, versi\u00f3n V2.1.11_X101, compilaci\u00f3n 1127.190306 y anteriores. La interfaz de administraci\u00f3n web del router no depura correctamente la entrada del usuario en el par\u00e1metro target_addr de los endpoints administrativos formTracert y formPing. Un atacante autenticado puede inyectar comandos arbitrarios del sistema operativo, que se ejecutan con privilegios de root, lo que provoca la ejecuci\u00f3n remota de c\u00f3digo. Una explotaci\u00f3n exitosa permite la vulneraci\u00f3n total del dispositivo."}], "id": "CVE-2025-34049", "lastModified": "2026-06-17T09:13:22.723", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.4, "baseSeverity": "CRITICAL", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-34049", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-06-26T17:36:49.953396Z", "version": "2.0.3"}}]}, "published": "2025-06-26T16:15:28.413", "references": [{"source": "disclosure@vulncheck.com", "url": "https://optilinknetwork.com/"}, {"source": "disclosure@vulncheck.com", "url": "https://packetstorm.news/files/id/162993"}, {"source": "disclosure@vulncheck.com", "url": "https://vulncheck.com/advisories/optilink-ont1gew-router-rce"}, {"source": "disclosure@vulncheck.com", "url": "https://www.exploit-db.com/exploits/49955"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "disclosure@vulncheck.com", "type": "Secondary"}]}

{}

{"created": "2026-04-28T01:30:17.913660+00:00", "updated": "2026-06-18T07:00:16.452735+00:00", "vendors": []}