{"id":"CVE-2025-41739","aliases":["EUVD-2025-199976","GHSA-5qp2-82v4-wwr8"],"status":"published","title":"CODESYS Control - Linux/QNX SysSocket flaw","description":"An unauthenticated remote attacker, who beats a race condition, can exploit a flaw in the communication servers of the CODESYS Control runtime system on Linux and QNX to trigger an out-of-bounds read via crafted socket communication, potentially causing a denial of service.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00371,"percentile":0.31322,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2025-12-01T10:00:44Z","modified":"2026-06-17T09:23:04Z","products":[{"vendor":"codesys","product":"codesys control for beaglebone sl"},{"vendor":"codesys","product":"codesys control for empc-a/imx6 sl"},{"vendor":"codesys","product":"codesys control for iot2000 sl"},{"vendor":"codesys","product":"codesys control for linux arm sl"},{"vendor":"codesys","product":"codesys control for linux sl"},{"vendor":"codesys","product":"codesys control for pfc100 sl"},{"vendor":"codesys","product":"codesys control for pfc200 sl"},{"vendor":"codesys","product":"codesys control for plcnext sl"},{"vendor":"codesys","product":"codesys control for raspberry pi sl"},{"vendor":"codesys","product":"codesys control for wago touch panels 600 sl"},{"vendor":"codesys","product":"codesys edge gateway for linux"},{"vendor":"codesys","product":"codesys plchandler"},{"vendor":"codesys","product":"codesys remote target visu"},{"vendor":"codesys","product":"codesys runtime toolkit"},{"vendor":"codesys","product":"codesys targetvisu for linux sl"},{"vendor":"codesys","product":"codesys virtual control sl"}],"references":[{"url":"https://certvde.com/de/advisories/VDE-2025-099"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-41739"},{"url":"https://github.com/advisories/GHSA-5qp2-82v4-wwr8"}],"sources":{"cve":[{"id":"CVE-2025-41739","title":"CODESYS Control - Linux/QNX SysSocket flaw","description":"An unauthenticated remote attacker, who beats a race condition, can exploit a flaw in the communication servers of the CODESYS Control runtime system on Linux and QNX to trigger an out-of-bounds read via crafted socket communication, potentially causing a denial of service.","status":"published","published":"2025-12-01T10:00:44.373Z","modified":"2026-01-07T17:09:52.535Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:32:31.631102Z"}],"euvd":[{"id":"EUVD-2025-199976","description":"An unauthenticated remote attacker, who beats a race condition, can exploit a flaw in the communication servers of the CODESYS Control runtime system on Linux and QNX to trigger an out-of-bounds read via crafted socket communication, potentially causing a denial of service.","status":"published","published":"2025-12-01T10:00:44Z","modified":"2026-01-07T17:09:52Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T19:48:55.108559Z"}],"ghsa":[{"id":"GHSA-5qp2-82v4-wwr8","title":"An unauthenticated remote attacker, who beats a race condition, can exploit a flaw in the...","description":"An unauthenticated remote attacker, who beats a race condition, can exploit a flaw in the communication servers of the CODESYS Control runtime system on Linux and QNX to trigger an out-of-bounds read via crafted socket communication, potentially causing a denial of service.","status":"published","published":"2025-12-01T12:30:28Z","modified":"2025-12-01T12:30:34Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:04:59.670278Z"}],"nvd":[{"id":"CVE-2025-41739","description":"An unauthenticated remote attacker, who beats a race condition, can exploit a flaw in the communication servers of the CODESYS Control runtime system on Linux and QNX to trigger an out-of-bounds read via crafted socket communication, potentially causing a denial of service.","status":"published","published":"2025-12-01T10:16:01.32Z","modified":"2026-06-17T09:23:04.017Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:11:46.94029Z"}]}}