{"cve":"CVE-2025-7673","nvd":{"published":"2025-07-16T07:15:24.437","modified":"2026-06-17T10:05:26.930","status":"Analyzed","description":"A buffer overflow vulnerability in the URL parser of the zhttpd web server in Zyxel VMG8825-T50K firmware versions prior to V5.50(ABOM.5)C0 could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and potentially execute arbitrary code by sending a specially crafted HTTP request.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-120"],"references":["https://www.zyxel.com/service-provider/global/en/zyxel-security-advisory-remote-code-execution-and-denial-service-vulnerabilities-cpe"],"products":["zyxel:emg3525-t50b_firmware","zyxel:emg5523-t50b_firmware","zyxel:emg5723-t50k_firmware","zyxel:emg6726-b10a_firmware","zyxel:ex3510-b0_firmware","zyxel:ex5510-b0_firmware","zyxel:vmg1312-t20b_firmware","zyxel:vmg3625-t50b_firmware","zyxel:vmg3925-b10b_firmware","zyxel:vmg3925-b10c_firmware","zyxel:vmg3927-b50a_firmware","zyxel:vmg3927-b50b_firmware","zyxel:vmg3927-b60a_firmware","zyxel:vmg3927-t50k_firmware","zyxel:vmg4005-b50b_firmware","zyxel:vmg4927-b50a_firmware","zyxel:vmg8623-t50b_firmware","zyxel:vmg8825-b50a_firmware","zyxel:vmg8825-b60a_firmware","zyxel:vmg8825-bx0b_firmware","zyxel:vmg8825-t50k_firmware","zyxel:vmg8924-b10d_firmware","zyxel:xmg3927-b50a_firmware","zyxel:xmg8825-b50a_firmware"],"source":"nvd","synced_at":"2026-10-19T22:05:46.678065081+00:00"},"epss":{"cve":"CVE-2025-7673","score":0.00652,"percentile":0.5127,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}