{"id":"CVE-2025-34096","aliases":["EUVD-2025-21030","GHSA-j62r-9gm4-h7vx"],"status":"published","title":"Easy File Sharing HTTP Server 7.2 Buffer Overflow via POST to /sendemail.ghp","description":"A stack-based buffer overflow vulnerability exists in Easy File Sharing HTTP Server version 7.2. The flaw is triggered when a crafted POST request is sent to the /sendemail.ghp endpoint containing an overly long Email parameter. The application fails to properly validate the length of this field, resulting in a memory corruption condition. An unauthenticated remote attacker can exploit this to execute arbitrary code with the privileges of the server process.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01801,"percentile":0.78685,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-119"],"published":"2025-07-10T19:15:06Z","modified":"2026-06-17T09:13:27Z","exploits":[{"source":"metasploit","id":"exploit/windows/http/easyfilesharing_post","title":"Easy File Sharing HTTP Server 7.2 POST Buffer Overflow","type":"exploit","platform":"Windows","date":"2017-06-12","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/windows/http/easyfilesharing_post"},{"source":"pocgithub","id":"TheMalwareGuardian/CVE-2025-34096","title":"TheMalwareGuardian/CVE-2025-34096","date":"2026-03-19","url":"https://github.com/TheMalwareGuardian/CVE-2025-34096"}],"products":[{"vendor":"efs software inc.","product":"easy file sharing http server"}],"references":[{"url":"https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/http/easyfilesharing_post.rb","tags":["exploit"]},{"url":"https://www.exploit-db.com/exploits/42186","tags":["exploit"]},{"url":"https://vulncheck/advisories/easy-file-sharing-http-server-buffer-overflow","tags":["third-party-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-34096"},{"url":"https://github.com/advisories/GHSA-j62r-9gm4-h7vx"}],"sources":{"cve":[{"id":"CVE-2025-34096","title":"Easy File Sharing HTTP Server 7.2 Buffer Overflow via POST to /sendemail.ghp","description":"A stack-based buffer overflow vulnerability exists in Easy File Sharing HTTP Server version 7.2. The flaw is triggered when a crafted POST request is sent to the /sendemail.ghp endpoint containing an overly long Email parameter. The application fails to properly validate the length of this field, resulting in a memory corruption condition. An unauthenticated remote attacker can exploit this to execute arbitrary code with the privileges of the server process.","status":"published","published":"2025-07-10T19:15:06.156Z","modified":"2026-04-07T14:09:26.038Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:32:54.1527Z"}],"euvd":[{"id":"EUVD-2025-21030","description":"A stack-based buffer overflow vulnerability exists in Easy File Sharing HTTP Server version 7.2. The flaw is triggered when a crafted POST request is sent to the /sendemail.ghp endpoint containing an overly long Email parameter. The application fails to properly validate the length of this field, resulting in a memory corruption condition. An unauthenticated remote attacker can exploit this to execute arbitrary code with the privileges of the server process.","status":"published","published":"2025-07-10T19:15:06Z","modified":"2026-04-07T14:09:26Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T19:25:12.908169Z"}],"ghsa":[{"id":"GHSA-j62r-9gm4-h7vx","title":"A stack-based buffer overflow vulnerability exists in Easy File Sharing HTTP Server version 7.2....","description":"A stack-based buffer overflow vulnerability exists in Easy File Sharing HTTP Server version 7.2. The flaw is triggered when a crafted POST request is sent to the /sendemail.ghp endpoint containing an overly long Email parameter. The application fails to properly validate the length of this field, resulting in a memory corruption condition. An unauthenticated remote attacker can exploit this to execute arbitrary code with the privileges of the server process.","status":"published","published":"2025-07-10T21:31:53Z","modified":"2025-07-10T21:32:00Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:02:59.345355Z"}],"nvd":[{"id":"CVE-2025-34096","description":"A stack-based buffer overflow vulnerability exists in Easy File Sharing HTTP Server version 7.2. The flaw is triggered when a crafted POST request is sent to the /sendemail.ghp endpoint containing an overly long Email parameter. The application fails to properly validate the length of this field, resulting in a memory corruption condition. An unauthenticated remote attacker can exploit this to execute arbitrary code with the privileges of the server process.","status":"published","published":"2025-07-10T20:15:25.11Z","modified":"2026-06-17T09:13:27.45Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","assessor":"secondary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:11:18.285862Z"}]}}