{"schema_version":1,"title":"Grandstream vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 5 vulnerabilities in Grandstream: 0 in the last 7 days and 1 in the last 90 days, 1 of them critical and 1 exploited in the wild. The most recent, CVE-2026-93338, was published on 18 September 2026.","url":"https://junglewise.ai/threats/vendors/grandstream","json_url":"https://junglewise.ai/threats/vendors/grandstream.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/vendors/grandstream","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"vendor","counts":{"high":1,"all_time":5,"critical":1,"exploited":1,"last_7_days":0,"last_30_days":1,"last_90_days":1,"last_365_days":1},"latest":[{"cve":"CVE-2026-93338","cvss":5.3,"epss":0.0053,"slug":"cve-2026-93338-grandstream-gwn7660elr-before-firmware-version-1-0-27-6-contains","title":"Grandstream GWN7660ELR information disclosure via default SNMP community string","severity":"medium","exploited":false,"published_at":"2026-09-18T17:17:05.793+00:00","url":"https://junglewise.ai/threats/cve-2026-93338-grandstream-gwn7660elr-before-firmware-version-1-0-27-6-contains"},{"cve":"CVE-2025-28170","cvss":7.6,"epss":0.0031,"slug":"cve-2025-28170-grandstream-gxp1628-directory-listing-in-web-interface","title":"Grandstream GXP1628 directory listing in web interface","severity":"high","exploited":false,"published_at":"2025-07-29T17:15:32.95+00:00","url":"https://junglewise.ai/threats/cve-2025-28170-grandstream-gxp1628-directory-listing-in-web-interface"},{"cve":"CVE-2025-28171","cvss":6.5,"epss":0.004,"slug":"cve-2025-28171-grandstream-ucm6510-user-enumeration-in-login-function","title":"Grandstream UCM6510 user enumeration in login function","severity":"medium","exploited":false,"published_at":"2025-07-29T16:15:24.287+00:00","url":"https://junglewise.ai/threats/cve-2025-28171-grandstream-ucm6510-user-enumeration-in-login-function"},{"cve":"CVE-2025-28172","cvss":6.5,"epss":0.0028,"slug":"cve-2025-28172-grandstream-ucm6510-improper-authentication-restriction-in-cgi","title":"Grandstream UCM6510 improper authentication restriction in CGI endpoints","severity":"medium","exploited":false,"published_at":"2025-07-29T15:15:34.45+00:00","url":"https://junglewise.ai/threats/cve-2025-28172-grandstream-ucm6510-improper-authentication-restriction-in-cgi"},{"cve":"CVE-2020-5722","cvss":9.8,"slug":"cve-2020-5722-grandstream-networks-ucm6200-series-sql-injection-vulnerability","title":"Grandstream Networks UCM6200 Series SQL Injection Vulnerability","severity":"critical","exploited":true,"published_at":"2022-01-28T00:00:00+00:00","url":"https://junglewise.ai/threats/cve-2020-5722-grandstream-networks-ucm6200-series-sql-injection-vulnerability"}],"vendor":{"hub":true,"name":"Grandstream","slug":"grandstream","homepage":"https://www.grandstream.com/","description":"Grandstream Networks is a manufacturer of IP voice and video communications equipment, gateways, and IP PBX systems.","url":"https://junglewise.ai/threats/vendors/grandstream"},"weekly":[{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0}],"most_severe":[{"cve":"CVE-2020-5722","cvss":9.8,"slug":"cve-2020-5722-grandstream-networks-ucm6200-series-sql-injection-vulnerability","title":"Grandstream Networks UCM6200 Series SQL Injection Vulnerability","severity":"critical","exploited":true,"published_at":"2022-01-28T00:00:00+00:00","url":"https://junglewise.ai/threats/cve-2020-5722-grandstream-networks-ucm6200-series-sql-injection-vulnerability"},{"cve":"CVE-2025-28170","cvss":7.6,"epss":0.0031,"slug":"cve-2025-28170-grandstream-gxp1628-directory-listing-in-web-interface","title":"Grandstream GXP1628 directory listing in web interface","severity":"high","exploited":false,"published_at":"2025-07-29T17:15:32.95+00:00","url":"https://junglewise.ai/threats/cve-2025-28170-grandstream-gxp1628-directory-listing-in-web-interface"},{"cve":"CVE-2025-28171","cvss":6.5,"epss":0.004,"slug":"cve-2025-28171-grandstream-ucm6510-user-enumeration-in-login-function","title":"Grandstream UCM6510 user enumeration in login function","severity":"medium","exploited":false,"published_at":"2025-07-29T16:15:24.287+00:00","url":"https://junglewise.ai/threats/cve-2025-28171-grandstream-ucm6510-user-enumeration-in-login-function"},{"cve":"CVE-2025-28172","cvss":6.5,"epss":0.0028,"slug":"cve-2025-28172-grandstream-ucm6510-improper-authentication-restriction-in-cgi","title":"Grandstream UCM6510 improper authentication restriction in CGI endpoints","severity":"medium","exploited":false,"published_at":"2025-07-29T15:15:34.45+00:00","url":"https://junglewise.ai/threats/cve-2025-28172-grandstream-ucm6510-improper-authentication-restriction-in-cgi"},{"cve":"CVE-2026-93338","cvss":5.3,"epss":0.0053,"slug":"cve-2026-93338-grandstream-gwn7660elr-before-firmware-version-1-0-27-6-contains","title":"Grandstream GWN7660ELR information disclosure via default SNMP community string","severity":"medium","exploited":false,"published_at":"2026-09-18T17:17:05.793+00:00","url":"https://junglewise.ai/threats/cve-2026-93338-grandstream-gwn7660elr-before-firmware-version-1-0-27-6-contains"}],"generated_at":"2026-09-28T03:07:00.154823+00:00","technologies":[]}