Published:2024/04/15  Last Updated:2024/04/15

JVN#58236836
Multiple vulnerabilities in BUFFALO wireless LAN routers

Overview

Multiple wireless LAN routers provided by BUFFALO INC. contain multiple vulnerabilities.

Products Affected

CVE-2024-23486

  • WSR-2533DHP firmware Ver. 1.06 and earlier
  • WSR-2533DHPL firmware Ver. 1.06 and earlier
  • WSR-2533DHP2 firmware Ver. 1.10 and earlier
  • WSR-A2533DHP2 firmware Ver. 1.10 and earlier
CVE-2024-26023
  • WCR-1166DS firmware Ver. 1.32 and earlier
  • WSR-1166DHP firmware Ver. 1.14 and earlier
  • WSR-1166DHP2 firmware Ver. 1.14 and earlier
  • WSR-2533DHP firmware Ver. 1.06 and earlier
  • WSR-2533DHPL firmware Ver. 1.06 and earlier
  • WSR-2533DHP2 firmware Ver. 1.10 and earlier
  • WSR-A2533DHP2 firmware Ver. 1.10 and earlier

Description

Multiple wireless LAN routers provided by BUFFALO INC. contain multiple vulnerabilities listed below.

  • Plaintext storage of a password (CWE-256)
    • CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Base Score 6.5
    • CVE-2024-23486
  • OS Command Injection (CWE-78)
    • CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Base Score 6.8
    • CVE-2024-26023

Impact

  • A network-adjacent attacker with access to the product's login page may obtain configured credentials (CVE-2024-23486)
  • A logged-in user may execute an arbitrary OS command (CVE-2024-26023)

Solution

Update the firmware
Update the firmware to the latest version according to the information provided by the developer.

Vendor Status

Vendor Status Last Update Vendor Notes
BUFFALO INC. Vulnerable 2024/04/15 BUFFALO INC. website

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Credit

Satoru Nagaoka of Cyber Defense Institute, Inc. reported these vulnerabilities to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2024-23486
CVE-2024-26023
JVN iPedia JVNDB-2024-000040

Update History

2024/04/15
Fixed link for JVN iPedia under the section [Other Information]