{"id":"CVE-2012-4999","aliases":["EUVD-2012-4923","GHSA-p5jq-469q-mxmf"],"status":"published","title":"Mercury MR804 Router 8.0 3.8.1 Build 101220 Rel.53006nB allows remote attackers to cause a denial...","description":"Mercury MR804 Router 8.0 3.8.1 Build 101220 Rel.53006nB allows remote attackers to cause a denial of service (service hang) via a crafted string in HTTP header fields such as (1) If-Modified-Since, (2) If-None-Match, or (3) If-Unmodified-Since.  NOTE: some of these details are obtained from third party information.","severity":{"version":"2.0","score":6.1,"vector":"AV:A/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.06558,"percentile":0.93857,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-20"],"published":"2012-09-19T19:00:00Z","modified":"2026-06-16T23:46:02Z","exploits":[{"source":"exploitdb","id":"EDB-36868","title":"Mercury MR804 Router - Multiple HTTP Header Fields Denial of Service Vulnerabilities","type":"dos","platform":"hardware","date":"2012-02-21","verified":true,"url":"https://www.exploit-db.com/exploits/36868"}],"products":[{"vendor":"mercurycom","product":"mr804"},{"vendor":"mercurycom","product":"mr804_firmware"}],"references":[{"url":"http://secunia.com/advisories/48079","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/73383","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://archives.neohapsis.com/archives/bugtraq/2012-02/0116.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Exploit"]},{"url":"http://www.securityfocus.com/bid/52106","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-4999"},{"url":"https://github.com/advisories/GHSA-p5jq-469q-mxmf"}],"sources":{"cve":[{"id":"CVE-2012-4999","description":"Mercury MR804 Router 8.0 3.8.1 Build 101220 Rel.53006nB allows remote attackers to cause a denial of service (service hang) via a crafted string in HTTP header fields such as (1) If-Modified-Since, (2) If-None-Match, or (3) If-Unmodified-Since.  NOTE: some of these details are obtained from third party information.","status":"published","published":"2012-09-19T19:00:00Z","modified":"2024-08-06T20:50:18.326Z","updated_at":"2026-11-02T14:34:51.584538Z"}],"euvd":[{"id":"EUVD-2012-4923","description":"Mercury MR804 Router 8.0 3.8.1 Build 101220 Rel.53006nB allows remote attackers to cause a denial of service (service hang) via a crafted string in HTTP header fields such as (1) If-Modified-Since, (2) If-None-Match, or (3) If-Unmodified-Since.  NOTE: some of these details are obtained from third party information.","status":"published","published":"2012-09-19T19:00:00Z","modified":"2024-08-06T20:50:18Z","updated_at":"2026-11-03T01:56:06.406129Z"}],"ghsa":[{"id":"GHSA-p5jq-469q-mxmf","title":"Mercury MR804 Router 8.0 3.8.1 Build 101220 Rel.53006nB allows remote attackers to cause a denial...","description":"Mercury MR804 Router 8.0 3.8.1 Build 101220 Rel.53006nB allows remote attackers to cause a denial of service (service hang) via a crafted string in HTTP header fields such as (1) If-Modified-Since, (2) If-None-Match, or (3) If-Unmodified-Since.  NOTE: some of these details are obtained from third party information.","status":"published","published":"2022-05-17T01:40:45Z","modified":"2023-02-03T05:05:03Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:53:40.557809Z"}],"nvd":[{"id":"CVE-2012-4999","description":"Mercury MR804 Router 8.0 3.8.1 Build 101220 Rel.53006nB allows remote attackers to cause a denial of service (service hang) via a crafted string in HTTP header fields such as (1) If-Modified-Since, (2) If-None-Match, or (3) If-Unmodified-Since.  NOTE: some of these details are obtained from third party information.","status":"published","published":"2012-09-19T19:55:08.607Z","modified":"2026-06-16T23:46:02.89Z","cvss":[{"version":"2.0","score":6.1,"vector":"AV:A/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:02:15.643902Z"}]}}