{"cve":{"cve_id":"CVE-2022-26532","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.04789,"epss_percentile":0.90779,"epss_as_of":"2026-06-23","description":"A argument injection vulnerability in the 'packet-trace' CLI command of Zyxel USG/ZyWALL series firmware versions 4.09 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP series firmware versions 4.32 through 5.21, VPN series firmware versions 4.30 through 5.21, NSG series firmware versions 1.00 through 1.33 Patch 4, NXC2500 firmware version 6.10(AAIG.3) and earlier versions, NAP203 firmware version 6.25(ABFA.7) and earlier versions, NWA50AX firmware version 6.25(ABYW.5) and earlier versions, WAC500 firmware version 6.30(ABVS.2) and earlier versions, and WAX510D firmware version 6.30(ABTF.2) and earlier versions, that could allow a local authenticated attacker to execute arbitrary OS commands by including crafted arguments to the CLI command.","published_at":"2022-05-24T05:20:09Z","last_modified_at":null,"cvss_v3_score":7.8,"cvss_v3_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvss_v3_severity":"HIGH","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-88"],"nvd_references":["https://www.zyxel.com/support/multiple-vulnerabilities-of-firewalls-AP-controllers-and-APs.shtml","http://seclists.org/fulldisclosure/2022/Jun/15","http://packetstormsecurity.com/files/167464/Zyxel-Buffer-Overflow-Format-String-Command-Injection.html"],"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":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:17:18.387202Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"L","value_label":"Local"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"L","value_label":"Low"},{"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":[{"vendor_slug":"zyxel","vendor_name":"Zyxel","product_slug":"atp-series-firmware","product_name":"ATP series firmware","version_start":"4.32 through 5.21","version_start_inclusive":true,"version_end":"4.32 through 5.21","version_end_inclusive":true,"cpe23_uri":"cve5:zyxel:atp-series-firmware:4.32 through 5.21:4.32 through 5.21"},{"vendor_slug":"zyxel","vendor_name":"Zyxel","product_slug":"nap203-firmware","product_name":"NAP203 firmware","version_start":"<= 6.25(ABFA.7)","version_start_inclusive":true,"version_end":"<= 6.25(ABFA.7)","version_end_inclusive":true,"cpe23_uri":"cve5:zyxel:nap203-firmware:<= 6.25(ABFA.7):<= 6.25(ABFA.7)"},{"vendor_slug":"zyxel","vendor_name":"Zyxel","product_slug":"nsg-series-firmware","product_name":"NSG series firmware","version_start":"1.00 through 1.33 Patch 4","version_start_inclusive":true,"version_end":"1.00 through 1.33 Patch 4","version_end_inclusive":true,"cpe23_uri":"cve5:zyxel:nsg-series-firmware:1.00 through 1.33 Patch 4:1.00 through 1.33 Patch 4"},{"vendor_slug":"zyxel","vendor_name":"Zyxel","product_slug":"nwa50ax-firmware","product_name":"NWA50AX firmware","version_start":"<= 6.25(ABYW.5)","version_start_inclusive":true,"version_end":"<= 6.25(ABYW.5)","version_end_inclusive":true,"cpe23_uri":"cve5:zyxel:nwa50ax-firmware:<= 6.25(ABYW.5):<= 6.25(ABYW.5)"},{"vendor_slug":"zyxel","vendor_name":"Zyxel","product_slug":"nxc2500-firmware","product_name":"NXC2500 firmware","version_start":"<= 6.10(AAIG.3)","version_start_inclusive":true,"version_end":"<= 6.10(AAIG.3)","version_end_inclusive":true,"cpe23_uri":"cve5:zyxel:nxc2500-firmware:<= 6.10(AAIG.3):<= 6.10(AAIG.3)"},{"vendor_slug":"zyxel","vendor_name":"Zyxel","product_slug":"usg-flex-series-firmware","product_name":"USG FLEX series firmware","version_start":"4.50 through 5.21","version_start_inclusive":true,"version_end":"4.50 through 5.21","version_end_inclusive":true,"cpe23_uri":"cve5:zyxel:usg-flex-series-firmware:4.50 through 5.21:4.50 through 5.21"},{"vendor_slug":"zyxel","vendor_name":"Zyxel","product_slug":"usg-zywall-series-firmware","product_name":"USG/ZyWALL series firmware","version_start":"4.09 through 4.71","version_start_inclusive":true,"version_end":"4.09 through 4.71","version_end_inclusive":true,"cpe23_uri":"cve5:zyxel:usg-zywall-series-firmware:4.09 through 4.71:4.09 through 4.71"},{"vendor_slug":"zyxel","vendor_name":"Zyxel","product_slug":"vpn-series-firmware","product_name":"VPN series firmware","version_start":"4.30 through 5.21","version_start_inclusive":true,"version_end":"4.30 through 5.21","version_end_inclusive":true,"cpe23_uri":"cve5:zyxel:vpn-series-firmware:4.30 through 5.21:4.30 through 5.21"},{"vendor_slug":"zyxel","vendor_name":"Zyxel","product_slug":"wac500-firmware","product_name":"WAC500 firmware","version_start":"<= 6.30(ABVS.2)","version_start_inclusive":true,"version_end":"<= 6.30(ABVS.2)","version_end_inclusive":true,"cpe23_uri":"cve5:zyxel:wac500-firmware:<= 6.30(ABVS.2):<= 6.30(ABVS.2)"},{"vendor_slug":"zyxel","vendor_name":"Zyxel","product_slug":"wax510d-firmware","product_name":"WAX510D firmware","version_start":"<= 6.30(ABTF.2)","version_start_inclusive":true,"version_end":"<= 6.30(ABTF.2)","version_end_inclusive":true,"cpe23_uri":"cve5:zyxel:wax510d-firmware:<= 6.30(ABTF.2):<= 6.30(ABTF.2)"}],"exploit_refs":[],"news":[],"references":[{"url":"https://www.zyxel.com/support/multiple-vulnerabilities-of-firewalls-AP-controllers-and-APs.shtml","source_type":"MISC","tags":[]},{"url":"http://seclists.org/fulldisclosure/2022/Jun/15","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"http://packetstormsecurity.com/files/167464/Zyxel-Buffer-Overflow-Format-String-Command-Injection.html","source_type":"EXPLOIT","tags":["exploit"]}],"timeline":[{"type":"published","at":"2022-05-24T05:20:09Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:21:49.885041Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:21:49.885041Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:21:49.885041Z","label":"CVSS score revised","source":"cvelistv5"}]}