{"id":"CVE-2021-35325","aliases":["EUVD-2021-21968","GHSA-h46f-g79w-66f7"],"status":"published","title":"A stack overflow in the checkLoginUser function of TOTOLINK A720R A720R_Firmware v4.1.5cu...","description":"A stack overflow in the checkLoginUser function of TOTOLINK A720R A720R_Firmware v4.1.5cu.470_B20200911 allows attackers to cause a denial of service (DOS).","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-10","score":0.13313,"percentile":0.96429,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2021-08-05T20:39:19Z","modified":"2026-06-17T03:57:26Z","products":[{"vendor":"totolink","product":"a720r_firmware"}],"references":[{"url":"https://github.com/hurricane618/my_cves/blob/master/router/totolink/A720R_cookie_overflow.md","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-35325"},{"url":"https://github.com/advisories/GHSA-h46f-g79w-66f7"}],"sources":{"cve":[{"id":"CVE-2021-35325","description":"A stack overflow in the checkLoginUser function of TOTOLINK A720R A720R_Firmware v4.1.5cu.470_B20200911 allows attackers to cause a denial of service (DOS).","status":"published","published":"2021-08-05T20:39:19Z","modified":"2024-08-04T00:33:51.288Z","updated_at":"2026-11-02T14:33:09.864034Z"}],"euvd":[{"id":"EUVD-2021-21968","description":"A stack overflow in the checkLoginUser function of TOTOLINK A720R A720R_Firmware v4.1.5cu.470_B20200911 allows attackers to cause a denial of service (DOS).","status":"published","published":"2021-08-05T20:39:19Z","modified":"2024-08-04T00:33:51Z","updated_at":"2026-11-03T03:24:30.441845Z"}],"ghsa":[{"id":"GHSA-h46f-g79w-66f7","title":"A stack overflow in the checkLoginUser function of TOTOLINK A720R A720R_Firmware v4.1.5cu...","description":"A stack overflow in the checkLoginUser function of TOTOLINK A720R A720R_Firmware v4.1.5cu.470_B20200911 allows attackers to cause a denial of service (DOS).","status":"published","published":"2022-05-24T19:10:04Z","modified":"2023-01-30T05:01:17Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:46:22.480874Z"}],"nvd":[{"id":"CVE-2021-35325","description":"A stack overflow in the checkLoginUser function of TOTOLINK A720R A720R_Firmware v4.1.5cu.470_B20200911 allows attackers to cause a denial of service (DOS).","status":"published","published":"2021-08-05T21:15:12.51Z","modified":"2026-06-17T03:57:26.417Z","cvss":[{"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"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:56.562207Z"}]}}