{"id":"CVE-2025-54638","aliases":["EUVD-2025-23763","GHSA-frv6-45p4-3x4x"],"status":"published","title":"Issue of inconsistent read/write serialization in the ad module.\nImpact: Successful exploitation...","description":"Issue of inconsistent read/write serialization in the ad module.\nImpact: Successful exploitation of this vulnerability may affect the availability of the ad service.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00109,"percentile":0.01231,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2025-08-06T02:35:18Z","modified":"2026-06-17T09:40:27Z","products":[{"vendor":"huawei","product":"harmonyos"}],"references":[{"url":"https://consumer.huawei.com/en/support/bulletin/2025/8/","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-54638"},{"url":"https://consumer.huawei.com/en/support/bulletin/2025/8"},{"url":"https://github.com/advisories/GHSA-frv6-45p4-3x4x"}],"sources":{"cve":[{"id":"CVE-2025-54638","description":"Issue of inconsistent read/write serialization in the ad module.\nImpact: Successful exploitation of this vulnerability may affect the availability of the ad service.","status":"published","published":"2025-08-06T02:35:18.531Z","modified":"2025-08-06T19:41:43.74Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:32:27.932735Z"}],"euvd":[{"id":"EUVD-2025-23763","description":"Issue of inconsistent read/write serialization in the ad module.\nImpact: Successful exploitation of this vulnerability may affect the availability of the ad service.","status":"published","published":"2025-08-06T02:35:18Z","modified":"2025-08-06T19:41:43Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T20:32:00.811941Z"}],"ghsa":[{"id":"GHSA-frv6-45p4-3x4x","title":"Issue of inconsistent read/write serialization in the ad module.\nImpact: Successful exploitation...","description":"Issue of inconsistent read/write serialization in the ad module.\nImpact: Successful exploitation of this vulnerability may affect the availability of the ad service.","status":"published","published":"2025-08-06T03:30:27Z","modified":"2025-08-06T03:30:38Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:03:11.771902Z"}],"nvd":[{"id":"CVE-2025-54638","description":"Issue of inconsistent read/write serialization in the ad module.\nImpact: Successful exploitation of this vulnerability may affect the availability of the ad service.","status":"published","published":"2025-08-06T03:15:27.55Z","modified":"2026-06-17T09:40:27.063Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:11:22.319351Z"}]}}