{"cve":{"cve_id":"CVE-2018-10562","is_kev":true,"kev_date_added":"2022-03-31","kev_vendor_project":"Dasan","kev_product":"Gigabit Passive Optical Network (GPON) Routers","kev_vulnerability_name":"Dasan GPON Routers Command Injection Vulnerability","kev_short_description":"Dasan GPON Routers contain an authentication bypass vulnerability. When combined with CVE-2018-10561, exploitation can allow an attacker to perform remote code execution.","kev_required_action":"The impacted product is end-of-life and should be disconnected if still in use.","kev_due_date":"2022-04-21","kev_known_ransomware":true,"kev_notes":"https://nvd.nist.gov/vuln/detail/CVE-2018-10562","kev_cwes":["CWE-78"],"epss_score":0.9995,"epss_percentile":0.99973,"epss_as_of":"2026-06-23","description":"An issue was discovered on Dasan GPON home routers. Command Injection can occur via the dest_host parameter in a diag_action=ping request to a GponForm/diag_Form URI. Because the router saves ping results in /tmp and transmits them to the user when the user revisits /diag.html, it's quite simple to execute commands and retrieve their output.","published_at":"2018-05-04T03:00:00Z","last_modified_at":null,"cvss_v3_score":9.8,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_v3_severity":"CRITICAL","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"active","ssvc_automatable":true,"ssvc_technical_impact":"total","cwes":["CWE-78"],"nvd_references":["http://www.securityfocus.com/bid/107053","https://www.exploit-db.com/exploits/44576/","https://www.vpnmentor.com/blog/critical-vulnerability-gpon-router/"],"vuln_status":null,"trending_score":0.6099100000000001,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:31.350578Z","updated_at":"2026-06-29T02:30:27.550645Z"},"effective_severity":"CRITICAL","badges":["kev","ransomware","poc","epss"],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[],"exploit_refs":[{"source":"nuclei","kind":"nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2018/CVE-2018-10562.yaml","title":"Dasan GPON Devices - Remote Code Execution","author":"gy741","disclosed_at":null}],"news":[],"references":[{"url":"http://www.securityfocus.com/bid/107053","source_type":"MISC","tags":[]},{"url":"https://www.exploit-db.com/exploits/44576/","source_type":"EXPLOIT","tags":["exploit"]},{"url":"https://www.vpnmentor.com/blog/critical-vulnerability-gpon-router/","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2018-05-04T03:00:00Z","label":"CVE published","source":null},{"type":"cisa_reported","at":"2022-03-31T00:00:00Z","label":"Added to CISA KEV catalog","source":"kev"},{"type":"poc_available","at":"2026-06-24T00:29:48.638073Z","label":"Public PoC available","source":"nuclei"},{"type":"ssvc_changed","at":"2026-06-24T00:31:12.162116Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-24T00:31:12.162116Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-24T00:31:12.162116Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:12.162116Z","label":"CVSS score revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:12.162116Z","label":"CVSS score revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:12.162116Z","label":"CVSS score revised","source":"vulnrichment"}]}