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CVE-2021-40655VulnerabilityPublished 05/16/2024Updated 10/24/2026

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

Affects D-Link DIR-605 RouterSource CISA KEV

Severity
High

No CVSS score published yet

Exploitation

Actively exploited – in CISA KEV since 05/16/2024

KEV deadline
06/06/2024
EPSS
86.7% chance of exploitation in 30 days – higher than 99% of CVEs

What to do

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.

Description

D-Link DIR-605 routers contain an information disclosure vulnerability that allows attackers to obtain a username and password by forging a post request to the /getcfg.php page.

Weaknesses

References

Track D-Link DIR-605 Router with alerts and the API. See plans

Added 10/24/2026 · updated 10/24/2026