{"cve":{"cve_id":"CVE-2022-20708","is_kev":true,"kev_date_added":"2022-03-03","kev_vendor_project":"Cisco","kev_product":"Small Business RV160, RV260, RV340, and RV345 Series Routers","kev_vulnerability_name":"Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerability","kev_short_description":"A vulnerability in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code elevate privileges, execute arbitrary commands, bypass authentication and authorization protections, fetch and run unsigned software, or cause a denial of service (DoS).","kev_required_action":"Apply updates per vendor instructions.","kev_due_date":"2022-03-17","kev_known_ransomware":false,"kev_notes":"https://nvd.nist.gov/vuln/detail/CVE-2022-20708","kev_cwes":["CWE-121"],"epss_score":0.13961,"epss_percentile":0.96066,"epss_as_of":"2026-06-23","description":"Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code Elevate privileges Execute arbitrary commands Bypass authentication and authorization protections Fetch and run unsigned software Cause denial of service (DoS) For more information about these vulnerabilities, see the Details section of this advisory.","published_at":"2022-02-10T17:06:27.109000Z","last_modified_at":null,"cvss_v3_score":10.0,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/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-121"],"nvd_references":["https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D","https://www.zerodayinitiative.com/advisories/ZDI-22-417/"],"vuln_status":null,"trending_score":null,"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":"2026-06-28T23:16:52.273547Z"},"effective_severity":"CRITICAL","badges":["kev"],"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":"C","value_label":"Changed"},{"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":[{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-small-business-rv-series-router-firmware","product_name":"Cisco Small Business RV Series Router Firmware","version_start":"n/a","version_start_inclusive":true,"version_end":"n/a","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-small-business-rv-series-router-firmware:n/a:n/a"}],"exploit_refs":[],"news":[],"references":[{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-417/","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2022-02-10T17:06:27.109000Z","label":"CVE published","source":null},{"type":"cisa_reported","at":"2022-03-03T00:00:00Z","label":"Added to CISA KEV catalog","source":"kev"},{"type":"ssvc_changed","at":"2026-06-24T00:31:55.522633Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-24T00:31:55.522633Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-24T00:31:55.522633Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:55.522633Z","label":"CVSS score revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:55.522633Z","label":"CVSS score revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-06-24T00:31:55.522633Z","label":"CVSS score revised","source":"vulnrichment"}]}