CVE-2026-48694

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:pavel-odintsov:fastnetmon:*:*:*:*:community:*:*:*", "matchCriteriaId": "E712A01F-3AD7-4CC2-9A8B-F8C63756EBBF", "versionEndIncluding": "1.2.9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "FastNetMon Community Edition through 1.2.9 contains a configuration injection vulnerability in the Juniper router integration plugin. In src/juniper_plugin/fastnetmon_juniper.php, the $IP_ATTACK variable (received from argv[1]) is directly interpolated into Juniper NETCONF set-configuration commands at lines 69 and 90 without any validation or sanitization. Line 69: $conn->load_set_configuration(\"set routing-options static route {$IP_ATTACK} community 65535:666 discard\"). Line 90: $conn->load_set_configuration(\"delete routing-options static route {$IP_ATTACK}/32\"). An attacker who can control the IP address string can inject additional Juniper CLI configuration commands by embedding newline characters followed by arbitrary set/delete commands. This could modify the router's routing table, firewall filters, user accounts, or any other configuration element accessible via NETCONF. The impact is full router compromise."}, {"lang": "es", "value": "FastNetMon Community Edition hasta la 1.2.9 contiene una vulnerabilidad de inyecci\u00f3n de configuraci\u00f3n en el plugin de integraci\u00f3n del router Juniper. En src/juniper_plugin/fastnetmon_juniper.php, la variable $IP_ATTACK (recibida de argv[1]) se interpola directamente en los comandos de configuraci\u00f3n 'set' de Juniper NETCONF en las l\u00edneas 69 y 90 sin ninguna validaci\u00f3n o saneamiento. L\u00ednea 69: $conn -> load_set_configuration(\"set routing-options static route {$IP_ATTACK} community 65535:666 discard\"). L\u00ednea 90: $conn -> load_set_configuration(\"delete routing-options static route {$IP_ATTACK}/32\"). Un atacante que puede controlar la cadena de la direcci\u00f3n IP puede inyectar comandos de configuraci\u00f3n CLI de Juniper adicionales incrustando caracteres de nueva l\u00ednea seguidos de comandos 'set'/'delete' arbitrarios. Esto podr\u00eda modificar la tabla de enrutamiento del router, los filtros del cortafuegos, las cuentas de usuario o cualquier otro elemento de configuraci\u00f3n accesible a trav\u00e9s de NETCONF. El impacto es el compromiso total del router."}], "id": "CVE-2026-48694", "lastModified": "2026-07-24T11:10:00.170", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-48694", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-05-26T20:27:27.425815Z", "version": "2.0.3"}}]}, "published": "2026-05-26T18:16:52.840", "references": [{"source": "cve@mitre.org", "tags": ["Product"], "url": "https://github.com/pavel-odintsov/fastnetmon"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://lorikeetsecurity.com/blog/fastnetmon-cve-2026-48694-juniper-netconf-injection"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-77"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-78"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.2.9]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "fastnetmon", "vendor": "pavel-odintsov"}], "created": "2026-05-26T20:00:15.339198+00:00", "title": "FastNetMon Juniper NETCONF Configuration Injection", "updated": "2026-05-27T21:00:14.915175+00:00", "vendors": ["pavel-odintsov", "pavel-odintsov$PRODUCT$fastnetmon"], "weaknesses": ["CWE-77", "CWE-78"]}