{"uuid": "b546434a-0753-48e2-badc-a226bf896e67", "vulnerability": {"vulnId": "CVE-2026-7273", "altId": []}, "gcve": {"origin_uuid": "caeb2787-0d58-4236-9039-7c86c3e566f3", "object_uuid": "b546434a-0753-48e2-badc-a226bf896e67"}, "status": {"exploited": true, "status_reason": "confirmed", "status_updated_at": "2026-09-21T13:20:00+00:00"}, "timestamps": {"asserted_at": "2026-09-21T13:20:00+00:00", "recorded_at": "2026-09-22T14:00:02+00:00", "first_seen_at": "2026-09-21T13:20:00+00:00"}, "scope": {"notes": "A stack-based buffer overflow vulnerability in the CGI program of Zyxel GS1900-48HPv2 firmware versions through\u00a02.90(ABTQ.1)C0 could allow a... | Affected: Zyxel / GS1900-48HPv2 firmware, GS1900-8 firmware, GS1900-8HP firmware, GS1900-10HP firmware, GS1900-16 firmware, GS1900-24 firmware, GS1900-24E firmware, GS1900-24EP firmware, GS1900-24HPv2 firmware, GS1900-48 firmware | CVSS: 8.8 (HIGH) | EPSS: 0.00315 | Used in malware: unknown | Listed 6 hours ahead of CISA KEV | Not yet in CISA KEV: False"}, "evidence": [{"type": "public_report", "source": "previdian", "signal": "successful_exploitation", "confidence": 0.7, "details": {"feed": "Previdian (previdian.com)", "title": "A stack-based buffer overflow vulnerability in the CGI program of Zyxel GS1900-48HPv2 firmware versions through\u00a02.90(ABTQ.1)C0 could allow a...", "cve_id": "CVE-2026-7273", "vendor": "Zyxel", "ghsa_id": "GHSA-RRV4-8JQ5-8J78", "product": "GS1900-48HPv2 firmware, GS1900-8 firmware, GS1900-8HP firmware, GS1900-10HP firmware, GS1900-16 firmware, GS1900-24 firmware, GS1900-24E firmware, GS1900-24EP firmware, GS1900-24HPv2 firmware, GS1900-48 firmware", "added_date": "2026-09-21T13:20:00.000Z", "cvss_score": 8.8, "epss_score": 0.00315, "previous_ids": [], "cvss_severity": "HIGH", "virtual_patch": false, "cvss_estimated": false, "epss_percentile": 0.24603, "used_in_malware": "unknown", "vulnerability_id": "CVE-2026-7273", "ahead_of_cisa_kev": {"unit": "hour", "count": 6}, "not_yet_in_cisa_kev": false}}], "references": [{"id": "CVE-2026-7273", "url": "https://www.cve.org/CVERecord?id=CVE-2026-7273"}, {"id": "GHSA-RRV4-8JQ5-8J78", "url": "https://github.com/advisories/GHSA-RRV4-8JQ5-8J78"}, {"id": "previdian", "url": "https://previdian.com/CVE-2026-7273"}]}