ACTIVELY EXPLOITED

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

Facts
VendorD-Link
ProductDIR-605 Router
Actively exploitedYes
Added to CISA KEV16 May 2024
CISA federal deadline6 Jun 2024
Weakness (CWE)CWE-863

Required action (CISA's text)

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 (NVD)

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.

SOURCES

Other D-Link flaws

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.