# CVE-2021-40655: D-Link DIR-605 Router Information Disclosure Vulnerability

> CVE-2021-40655: D-Link DIR-605 Router Information Disclosure Vulnerability. CVSS 7.5 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2021-40655
Last updated: 2025-10-21T23:25:31Z

- Published: 2021-09-24 20:11 UTC · Updated: 2025-10-21 23:25 UTC · Assigner: mitre
- CVSS: 7.5 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS: 86.7%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2024-05-16, federal due date 2024-06-06, ransomware use: Unknown

## Description

An informtion disclosure issue exists in D-LINK-DIR-605 B2 Firmware Version : 2.01MT. An attacker can obtain a user name and password by forging a post request to the / getcfg.php page

## CISA required action

This vulnerability affects legacy D-Link products. All associated hardware revisions have reached their end-of-life (EOL) or end-of-service (EOS) life cycle and should be retired and replaced per vendor instructions.

## Affected vendors and products

- dlink: dir-605l
- dlink: dir-605l\_firmware

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2021-40655)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2021-40655)
- [https://github.com/Ilovewomen/D-LINK-DIR-605/](https://github.com/Ilovewomen/D-LINK-DIR-605/)
- [https://www.dlink.com/en/security-bulletin/](https://www.dlink.com/en/security-bulletin/)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2021-40655 · Markdown: https://rewindex.com/cve/CVE-2021-40655.md · JSON: https://rewindex.com/api/v1/cves/CVE-2021-40655 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:12:30.293Z