{"id":"CVE-2025-20734","aliases":["EUVD-2025-37570","GHSA-5p4x-8r2p-h43p"],"status":"published","title":"In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This...","description":"In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: WCNCR00441507; Issue ID: MSV-4112.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00124,"percentile":0.02179,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122","CWE-787"],"published":"2025-11-04T06:20:10Z","modified":"2026-10-18T21:10:00Z","products":[{"vendor":"mediatek","product":"software_development_kit"},{"vendor":"mediatek, inc.","product":"mt6890, mt7615, mt7622, mt7663, mt7915, mt7916, mt7981, mt7986"},{"vendor":"openwrt","product":"openwrt"}],"references":[{"url":"https://corp.mediatek.com/product-security-bulletin/November-2025","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-20734"},{"url":"https://github.com/advisories/GHSA-5p4x-8r2p-h43p"}],"sources":{"cve":[{"id":"CVE-2025-20734","description":"In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: WCNCR00441507; Issue ID: MSV-4112.","status":"published","published":"2025-11-04T06:20:10.764Z","modified":"2026-02-26T17:47:22.715Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"adp"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:32:25.5658Z"}],"euvd":[{"id":"EUVD-2025-37570","description":"In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: WCNCR00441507; Issue ID: MSV-4112.","status":"published","published":"2025-11-04T06:20:10Z","modified":"2026-02-26T17:47:22Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T19:48:23.405029Z"}],"ghsa":[{"id":"GHSA-5p4x-8r2p-h43p","title":"In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This...","description":"In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: WCNCR00441507; Issue ID: MSV-4112.","status":"published","published":"2025-11-04T09:31:16Z","modified":"2025-11-05T17:48:27Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T15:04:40.062939Z"}],"nvd":[{"id":"CVE-2025-20734","description":"In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: WCNCR00441507; Issue ID: MSV-4112.","status":"published","published":"2025-11-04T07:15:39.283Z","modified":"2026-10-18T21:10:00.12Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"primary"},{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:11:42.142547Z"}]}}