[Japanese]

JVNDB-2024-000040

Multiple vulnerabilities in BUFFALO wireless LAN routers

Overview

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

* Plaintext storage of a password (CWE-256)
* OS Command Injection (CWE-78)

Satoru Nagaoka of Cyber Defense Institute, Inc. reported these vulnerabilities to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 6.8 (Medium) [IPA Score]
  • Attack Vector: Adjacent Network
  • Attack Complexity: Low
  • Privileges Required: High
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
The above CVSS base scores have been assigned for CVE-2024-26023

CVSS V3 Severity:
Base Metrics 6.5 (Medium) [IPA Score]
  • Attack Vector: Adjacent Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: None
  • Availability Impact: None
The above CVSS base scores have been assigned for CVE-2024-23486
Affected Products


BUFFALO INC.
  • WCR-1166DS firmware Ver. 1.32 and earlier (CVE-2024-26023)
  • WSR-1166DHP firmware Ver. 1.14 and earlier (CVE-2024-26023)
  • WSR-1166DHP2 firmware Ver. 1.14 and earlier (CVE-2024-26023)
  • WSR-2533DHP firmware Ver. 1.06 and earlier (CVE-2024-23486, CVE-2024-26023)
  • WSR-2533DHP2 firmware Ver. 1.10 and earlier (CVE-2024-23486, CVE-2024-26023)
  • WSR-2533DHPL firmware Ver. 1.06 and earlier (CVE-2024-23486, CVE-2024-26023)
  • WSR-A2533DHP2 firmware Ver. 1.10 and earlier (CVE-2024-23486, 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 Information

BUFFALO INC.
CWE (What is CWE?)

  1. OS Command Injection(CWE-78) [IPA Evaluation]
  2. No Mapping(CWE-Other) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2024-23486
  2. CVE-2024-26023
References

  1. JVN : JVN#58236836
Revision History

  • [2024/04/15]
      Web page was published

Date Public2024/04/15
Date First Published2024/04/15
Date Last Updated2024/04/15