{"id":"CVE-2025-57623","aliases":["EUVD-2025-31145","GHSA-6wx9-5wq9-rr87"],"status":"published","title":"A NULL pointer dereference in TOTOLINK N600R firmware v4.3.0cu.7866_B2022506 allows attackers to...","description":"A NULL pointer dereference in TOTOLINK N600R firmware v4.3.0cu.7866_B2022506 allows attackers to cause a Denial of Service.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00385,"percentile":0.33029,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2025-09-25T00:00:00Z","modified":"2026-11-05T23:10:00Z","products":[{"vendor":"totolink","product":"n600r_firmware"}],"references":[{"url":"https://github.com/z472421519/BinaryAudit/blob/main/PoC/NPD/TOTOLink/CONTENT_LENGTH.md","tags":["Exploit"]},{"url":"https://gist.github.com/z472421519/d17061ea79a72d39fe69c000fa1a6280","tags":["Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-57623"},{"url":"https://github.com/advisories/GHSA-6wx9-5wq9-rr87"}],"sources":{"cve":[{"id":"CVE-2025-57623","description":"A NULL pointer dereference in TOTOLINK N600R firmware v4.3.0cu.7866_B2022506 allows attackers to cause a Denial of Service.","status":"published","published":"2025-09-25T00:00:00Z","modified":"2025-09-26T20:02:31.219Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"adp"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:32:35.099955Z"}],"euvd":[{"id":"EUVD-2025-31145","description":"A NULL pointer dereference in TOTOLINK N600R firmware v4.3.0cu.7866_B2022506 allows attackers to cause a Denial of Service.","status":"published","published":"2025-09-25T00:00:00Z","modified":"2025-09-26T20:02:31Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T20:31:39.009822Z"}],"ghsa":[{"id":"GHSA-6wx9-5wq9-rr87","title":"A NULL pointer dereference in TOTOLINK N600R firmware v4.3.0cu.7866_B2022506 allows attackers to...","description":"A NULL pointer dereference in TOTOLINK N600R firmware v4.3.0cu.7866_B2022506 allows attackers to cause a Denial of Service.","status":"published","published":"2025-09-25T18:30:34Z","modified":"2025-09-26T21:30:28Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T15:03:47.526088Z"}],"nvd":[{"id":"CVE-2025-57623","description":"A NULL pointer dereference in TOTOLINK N600R firmware v4.3.0cu.7866_B2022506 allows attackers to cause a Denial of Service.","status":"published","published":"2025-09-25T18:15:43.997Z","modified":"2026-11-05T23:10:00.15Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-476"],"updated_at":"2026-11-06T01:57:37.498693Z"}]}}