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Vulnerability Intelligence

CVE-2023-46574

CriticalExploited

An issue in TOTOLINK A3700R v.9.1.2u.6165_20211012 allows a remote attacker to execute arbitrary code via the FileName parameter of the UploadFirmwareFile function.

Published Oct 25, 2023 · Updated Nov 21, 2024

Key Facts

Patch immediately
  • CVE-2023-46574 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting A3700r Firmware (Totolink).
  • It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Aug 9, 2024. No public exploit code is known.
  • EPSS estimates a 65% 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

9.8

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

EPSS (30-day exploit likelihood)

65%

Higher than 99.2% of all scored CVEs

Exploited in the wild

Yes

2 catalog listings

Public exploit code

None known

Get the full CVE-2023-46574 brief as a PDF

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Description

An issue in TOTOLINK A3700R v.9.1.2u.6165_20211012 allows a remote attacker to execute arbitrary code via the FileName parameter of the UploadFirmwareFile function.

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
Industry KEV feedAug 9, 2024n/aNot reported
CIRCL KEVAug 9, 2024n/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
A3700r FirmwareTotolink9.1.2u.6165_20211012n/a

Timeline

  1. Publicly disclosed

    Oct 25, 2023

  2. Added to Industry KEV feed

    Aug 9, 2024

  3. Added to CIRCL KEV

    Aug 9, 2024

  4. Last updated

    Nov 21, 2024

Weakness Type

  • CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')

References

5 more references in the full CVE brief

FAQ

Common Questions.

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