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Vulnerability Intelligence

CVE-2021-46381

HighExploitedPublic exploit

Local File Inclusion due to path traversal in D-Link DAP-1620 leads to unauthorized internal files reading [/etc/passwd] and [/etc/shadow].

Published Mar 4, 2022 · Updated Nov 21, 2024

Key Facts

Patch immediately
  • CVE-2021-46381 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Dap-1620 Firmware (Dlink).
  • It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Oct 15, 2023. Public exploit code is available.
  • EPSS estimates a 59% probability of exploitation in the next 30 days.
  • No fixed version is listed yet; check the vendor advisory for mitigations.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS (30-day exploit likelihood)

59%

Higher than 99.1% of all scored CVEs

Exploited in the wild

Yes

2 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2021-46381 brief as a PDF

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Description

Local File Inclusion due to path traversal in D-Link DAP-1620 leads to unauthorized internal files reading [/etc/passwd] and [/etc/shadow].

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
Industry KEV feedJan 22, 2024n/aNot reported
CIRCL KEVOct 15, 2023n/aNot reported

Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected Products

1 affected entries in total
ProductAffected versionsFixed in
Dap-1620 FirmwareDlinkSee advisoryn/a

Timeline

  1. Publicly disclosed

    Mar 4, 2022

  2. Added to CIRCL KEV

    Oct 15, 2023

  3. Added to Industry KEV feed

    Jan 22, 2024

  4. Last updated

    Nov 21, 2024

Weakness Type

  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

References

9 more references in the full CVE brief

FAQ

Common Questions.

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