{"id":"CVE-2025-0727","aliases":["EUVD-2025-5083","GHSA-jf6x-9mgc-p72w"],"status":"published","title":"Eclipse ThreadX NetX Duo HTTP server single PUT request integer underflow","description":"In NetX HTTP server functionality of Eclipse ThreadX NetX Duo before \nversion 6.4.2, an attacker can cause an integer underflow and a \nsubsequent denial of service by writing a very large file, by specially \ncrafted packets with Content-Length in one packet smaller than the data \nrequest size of the other packet. A possible workaround is to disable \nHTTP PUT support.","severity":{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00755,"percentile":0.554,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-191"],"published":"2025-02-21T08:19:11Z","modified":"2026-10-28T02:30:47Z","products":[{"vendor":"eclipse","product":"threadx_netx_duo"},{"vendor":"eclipse foundation","product":"threadx"}],"references":[{"url":"https://github.com/eclipse-threadx/netxduo/commit/c78d650be7377aae1a8704bc0ce5cc6f9f189014","tags":["patch","Patch","fix"]},{"url":"https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-jf6x-9mgc-p72w","tags":["vendor-advisory","Vendor Advisory","advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/0xxx/CVE-2025-0727.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-0727","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-0727","title":"Eclipse ThreadX NetX Duo HTTP server single PUT request integer underflow","description":"In NetX HTTP server functionality of Eclipse ThreadX NetX Duo before \nversion 6.4.2, an attacker can cause an integer underflow and a \nsubsequent denial of service by writing a very large file, by specially \ncrafted packets with Content-Length in one packet smaller than the data \nrequest size of the other packet. A possible workaround is to disable \nHTTP PUT support.","status":"published","published":"2025-02-21T08:19:11.412Z","modified":"2025-02-21T15:34:39.515Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-191"],"updated_at":"2026-11-02T14:32:53.475217Z"}],"euvd":[{"id":"EUVD-2025-5083","description":"In NetX HTTP server functionality of Eclipse ThreadX NetX Duo before \nversion 6.4.2, an attacker can cause an integer underflow and a \nsubsequent denial of service by writing a very large file, by specially \ncrafted packets with Content-Length in one packet smaller than the data \nrequest size of the other packet. A possible workaround is to disable \nHTTP PUT support.","status":"published","published":"2025-02-21T08:19:11Z","modified":"2025-02-21T15:34:39Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T20:53:25.922377Z"}],"nvd":[{"id":"CVE-2025-0727","description":"In NetX HTTP server functionality of Eclipse ThreadX NetX Duo before \nversion 6.4.2, an attacker can cause an integer underflow and a \nsubsequent denial of service by writing a very large file, by specially \ncrafted packets with Content-Length in one packet smaller than the data \nrequest size of the other packet. A possible workaround is to disable \nHTTP PUT support.","status":"published","published":"2025-02-21T09:15:09.01Z","modified":"2026-06-17T08:27:03.133Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/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":"medium","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-191"],"updated_at":"2026-11-02T14:10:51.871789Z"}],"osv":[{"id":"CVE-2025-0727","title":"Eclipse ThreadX NetX Duo HTTP server single PUT request integer underflow","description":"In NetX HTTP server functionality of Eclipse ThreadX NetX Duo before \nversion 6.4.2, an attacker can cause an integer underflow and a \nsubsequent denial of service by writing a very large file, by specially \ncrafted packets with Content-Length in one packet smaller than the data \nrequest size of the other packet. A possible workaround is to disable \nHTTP PUT support.","status":"published","published":"2025-02-21T08:19:11.412Z","modified":"2026-10-28T02:30:47.813627387Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-191"],"updated_at":"2026-11-02T15:44:45.712478Z"}]}}