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CVE-2021-40655

D-Link — D-Link DIR-605 Router Information Disclosure Vulnerability

D-Link · CWE-863 — Incorrect authorization · in CISA KEV since 2024-05-16

KEV since 2024 · listed over a yearCISA KEVActively Exploited
80

EVRS 80 of 100 Urgent

Patch This Cycle

Rank 585 of 2,960 tracked

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Why it scores 80

Evidence available: 6 of 7 signals

Listed in the CISA KEV catalog, and an EPSS probability of 0.867.

  • CISA KEVApplied
  • RansomwareDid not apply
  • Vendor exploitationDid not apply
  • EPSSApplied
  • Microsoft Exploitability IndexNot applicable
  • Pre-patch disclosureNo data
  • KEV recencyDid not apply
  • CVSSApplied

The band answers “how soon”, not “how bad”. No data for: Pre-patch disclosure. Why some signals show no data

Fix

No fixed version identified yet

CISA required action

Affected versions

  • dir-605l firmware2.01mt
  • dir-605lb2

Remediation

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.

Evidence

Each value with its source
MeasureValueSource
CVSS base scoreHow severe the flaw is in itself. It does not say how likely an attack is. 7.5 NVD
FIRST EPSSFIRST's estimate of the chance this is exploited in the next 30 days, and how that ranks against all CVEs. 0.867 (99.74th pctl) FIRST EPSS
Actively exploitedWhether a source of record has confirmed attacks using it in the wild. Confirmed CISA KEV
Ransomware campaign useWhether CISA has seen ransomware operators use it. Unknown or none CISA KEV
CISA remediation deadlineThe date US federal agencies must have fixed or mitigated it. 2024-06-06 · KEV since 2024 · listed over a year CISA KEV
Public exploit moduleA module existing is not the same as active exploitation. None known Metasploit
EUVD cross-referenceENISA's record: CVSS 7.5 (v3.1), assigned by mitre. Listed ENISA EUVD

Description

NVD

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

What CISA says to do