{"id":"CVE-2021-25810","aliases":["EUVD-2021-12693","GHSA-xmf3-54fg-fhvv"],"status":"published","title":"Cross site Scripting (XSS) vulnerability in MERCUSYS Mercury X18G 1.0.5 devices, via crafted...","description":"Cross site Scripting (XSS) vulnerability in MERCUSYS Mercury X18G 1.0.5 devices, via crafted values to the 'src_dport_start', 'src_dport_end', and 'dest_port' parameters.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01111,"percentile":0.66229,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-04-29T15:44:02Z","modified":"2026-06-17T03:42:28Z","products":[{"vendor":"mercusys","product":"mercury_x18g_firmware"}],"references":[{"url":"https://www.mercusys.com/en/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.mercurycom.com.cn/product-521-1.html","tags":["x_refsource_MISC","x_transferred","Broken Link"]},{"url":"https://github.com/pokerfacett/MY_REQUEST/blob/master/Mercury%20Router%20X18g%20v1.0.5%20Stored%20XSS.md","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25810"},{"url":"https://github.com/advisories/GHSA-xmf3-54fg-fhvv"}],"sources":{"cve":[{"id":"CVE-2021-25810","description":"Cross site Scripting (XSS) vulnerability in MERCUSYS Mercury X18G 1.0.5 devices, via crafted values to the 'src_dport_start', 'src_dport_end', and 'dest_port' parameters.","status":"published","published":"2021-04-29T15:44:02Z","modified":"2024-08-03T20:11:28.45Z","updated_at":"2026-11-02T14:32:59.802172Z"}],"euvd":[{"id":"EUVD-2021-12693","description":"Cross site Scripting (XSS) vulnerability in MERCUSYS Mercury X18G 1.0.5 devices, via crafted values to the 'src_dport_start', 'src_dport_end', and 'dest_port' parameters.","status":"published","published":"2021-04-29T15:44:02Z","modified":"2024-08-03T20:11:28Z","updated_at":"2026-11-03T03:24:52.420769Z"}],"ghsa":[{"id":"GHSA-xmf3-54fg-fhvv","title":"Cross site Scripting (XSS) vulnerability in MERCUSYS Mercury X18G 1.0.5 devices, via crafted...","description":"Cross site Scripting (XSS) vulnerability in MERCUSYS Mercury X18G 1.0.5 devices, via crafted values to the 'src_dport_start', 'src_dport_end', and 'dest_port' parameters.","status":"published","published":"2022-05-24T17:49:16Z","modified":"2023-01-29T05:06:08Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:45:57.128816Z"}],"nvd":[{"id":"CVE-2021-25810","description":"Cross site Scripting (XSS) vulnerability in MERCUSYS Mercury X18G 1.0.5 devices, via crafted values to the 'src_dport_start', 'src_dport_end', and 'dest_port' parameters.","status":"published","published":"2021-04-29T16:15:09.817Z","modified":"2026-06-17T03:42:28.493Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:52.81233Z"}]}}