---
title: "Security digest: September 24, 2021"
url: https://erroneo.us/security/2021-09-24/
description: "September 24, 2021 vulnerability digest: 1 brief (D-Link DIR-605 CVE-2021-40655: EOL Router Leaks…). What to patch and who can relax."
type: security-digest-day
section: "Security Digest"
date_published: 2021-09-24
date_modified: 2026-10-23
publisher: erroneo.us
author: erroneo.us Security Desk
license: All rights reserved. Quote with attribution and a link.
---

# Security digest: September 24, 2021

1 editorial brief.

## Take stock

- Check exposure: D-Link DIR-605 CVE-2021-40655: EOL Router Leaks Admin Login . Anyone with a D-Link DIR-605 or DIR-605L still routing traffic, including branch offices, labs and remote workers' home networks that carry company traffic.
- None of it touches your stack? Then there is nothing to do today. That is a result, not a failure to read carefully.

## Editorial briefs

- **Check exposure** [D-Link DIR-605 CVE-2021-40655: EOL Router Leaks Admin Login](https://erroneo.us/security/briefs/d-link-dir-605-cve-2021-40655-getcfg-credential-leak/index.md): There is no patch and never will be; any DIR-605 or DIR-605L still in service, especially one with its admin page reachable from the internet, should be replaced, and its admin password treated as known.

## Known exploited (CISA KEV)

None.

## Critical advisories

None.

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Source page: https://erroneo.us/security/2021-09-24/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt