{"id":"CVE-2026-31267","aliases":["EUVD-2026-42766","GHSA-644p-552c-3f48"],"status":"published","title":"Mercusys MW302R MW302R(EU)_V1_1.4.10 Build 231023 is vulnerable to Buffer Overflow in the...","description":"Mercusys MW302R MW302R(EU)_V1_1.4.10 Build 231023 is vulnerable to Buffer Overflow in the administrative web interface. A stack buffer overflow vulnerability in the administrative web interface allows an authenticated attacker with administrative privileges to trigger a system crash by sending a specially crafted request. The vulnerability results in denial of service through control flow manipulation to an arbitrary instruction address.","severity":{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00316,"percentile":0.2472,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121"],"published":"2026-07-09T00:00:00Z","modified":"2026-10-25T17:10:00Z","references":[{"url":"https://barry-dev.xyz/about"},{"url":"https://gist.github.com/BarrYPL/13dcd071673866cbbfaaa05085b98cf3"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31267"},{"url":"https://github.com/advisories/GHSA-644p-552c-3f48"}],"sources":{"cve":[{"id":"CVE-2026-31267","description":"Mercusys MW302R MW302R(EU)_V1_1.4.10 Build 231023 is vulnerable to Buffer Overflow in the administrative web interface. A stack buffer overflow vulnerability in the administrative web interface allows an authenticated attacker with administrative privileges to trigger a system crash by sending a specially crafted request. The vulnerability results in denial of service through control flow manipulation to an arbitrary instruction address.","status":"published","published":"2026-07-09T00:00:00Z","modified":"2026-07-10T15:31:02.333Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:19:50.92611Z"}],"euvd":[{"id":"EUVD-2026-42766","description":"Mercusys MW302R MW302R(EU)_V1_1.4.10 Build 231023 is vulnerable to Buffer Overflow in the administrative web interface. A stack buffer overflow vulnerability in the administrative web interface allows an authenticated attacker with administrative privileges to trigger a system crash by sending a specially crafted request. The vulnerability results in denial of service through control flow manipulation to an arbitrary instruction address.","status":"published","published":"2026-07-09T00:00:00Z","modified":"2026-07-10T15:31:02Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T18:20:02.822464Z"}],"ghsa":[{"id":"GHSA-644p-552c-3f48","title":"Mercusys MW302R MW302R(EU)_V1_1.4.10 Build 231023 is vulnerable to Buffer Overflow in the...","description":"Mercusys MW302R MW302R(EU)_V1_1.4.10 Build 231023 is vulnerable to Buffer Overflow in the administrative web interface. A stack buffer overflow vulnerability in the administrative web interface allows an authenticated attacker with administrative privileges to trigger a system crash by sending a specially crafted request. The vulnerability results in denial of service through control flow manipulation to an arbitrary instruction address.","status":"published","published":"2026-07-09T21:31:21Z","modified":"2026-07-10T18:33:14Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T15:09:23.304195Z"}],"nvd":[{"id":"CVE-2026-31267","description":"Mercusys MW302R MW302R(EU)_V1_1.4.10 Build 231023 is vulnerable to Buffer Overflow in the administrative web interface. A stack buffer overflow vulnerability in the administrative web interface allows an authenticated attacker with administrative privileges to trigger a system crash by sending a specially crafted request. The vulnerability results in denial of service through control flow manipulation to an arbitrary instruction address.","status":"published","published":"2026-07-09T21:16:54.667Z","modified":"2026-10-25T17:10:00.197Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:12:28.4135Z"}]}}