{"cve":"CVE-2021-33259","nvd":{"published":"2021-10-31T19:15:09.920","modified":"2026-07-09T01:16:54.480","status":"Modified","description":"Several web interfaces in D-Link DIR-868LW 1.12b have no authentication requirements for access, allowing for attackers to obtain users' DNS query history.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","score":5.3},"cwes":["CWE-306"],"references":["https://github.com/jayus0821/uai-poc/blob/main/D-Link/DIR-868L/webaccess_UAI.md","https://www.dlink.com/en/security-bulletin/","https://github.com/jayus0821/uai-poc/blob/main/D-Link/DIR-868L/webaccess_UAI.md","https://www.dlink.com/en/security-bulletin/"],"products":["d-link:dir-868lw_firmware"],"source":"nvd","synced_at":"2026-10-19T21:24:39.218183596+00:00"},"epss":{"cve":"CVE-2021-33259","score":0.0179,"percentile":0.78363,"date":"2026-10-31"},"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."]}