{"cve":"CVE-2021-28838","nvd":{"published":"2021-08-10T18:15:07.137","modified":"2026-06-17T03:46:58.060","status":"Modified","description":"Null pointer dereference vulnerability in D-Link DAP-2310 2,10RC039, DAP-2330 1.10RC036 BETA, DAP-2360 2.10RC055, DAP-2553 3.10rc039 BETA, DAP-2660 1.15rc131b, DAP-2690 3.20RC115 BETA, DAP-2695 1.20RC093, DAP-3320 1.05RC027 BETA and DAP-3662 1.05rc069 in the sbin/httpd binary. The crash happens at the `atoi' operation when a specific network package are sent to the httpd binary.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-476"],"references":["https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve.pdf","https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve2.pdf","https://www.dlink.com/en/security-bulletin/","https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve.pdf","https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve2.pdf"],"products":["dlink:dap-2310_firmware","dlink:dap-2330_firmware","dlink:dap-2360_firmware","dlink:dap-2553_firmware","dlink:dap-2660_firmware","dlink:dap-2690_firmware","dlink:dap-2695_firmware","dlink:dap-3320_firmware","dlink:dap-3662_firmware"],"source":"nvd","synced_at":"2026-10-19T21:21:13.713336758+00:00"},"epss":{"cve":"CVE-2021-28838","score":0.0222,"percentile":0.82677,"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."]}