What is the CVSS score of CVE-2024-26023?

CVE-2024-26023 has a CVSS 3.1 base score of 4.2 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L. EPSS exploitation probability: 0.5%.

Wsr 1166Dhp Firmware CVE-2024-26023

MEDIUM

OS Command Injection (CWE-78)

2024-04-15 vultures@jpcert.or.jp

Command Injection Wsr 1166Dhp Firmware Wcr 1166Ds Firmware Wsr 2533Dhp2 Firmware Wsr A2533Dhp2 Firmware Wsr 2533Dhp Firmware Wsr 2533Dhpl Firmware Wsr 1166Dhp2 Firmware Buffalo

4.2

CVSS 3.1 · Vendor: jpcert

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Vulnerability Assessment

Weakness	CWE CWE-78 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V1 - Encoding and Sanitization OS command sanitization, avoid shell exec MITRE ATT&CK 2 techniques across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 4.2 (MEDIUM). Attack characteristics: local attack vector, low complexity, high privileges required, no user interaction not required.
Exploit ScenarioDerived	A local attacker with access to the system could execute arbitrary operating system commands on the host.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.5% exploitation probability (EPSS)

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AnalysisAI

OS command injection vulnerability in BUFFALO wireless LAN routers allows a logged-in user to execute arbitrary OS commands. Rated medium severity (CVSS 4.2), this vulnerability is low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.

Affects your stack

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Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. OS command injection vulnerability in BUFFALO wireless LAN routers allows a logged-in user to execute arbitrary OS commands. Affected products include: Buffalo Wsr-2533Dhp Firmware, Buffalo Wsr-2533Dhpl Firmware, Buffalo Wsr-2533Dhp2 Firmware, Buffalo Wsr-A2533Dhp2 Firmware, Buffalo Wcr-1166Ds Firmware.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (jpcert) PRIMARY 4.2 MEDIUM

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

Primary rating from Vendor (jpcert) · only source for this CVE.

CVSS VectorVendor: jpcert

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

DescriptionCVE.org

OS command injection vulnerability in BUFFALO wireless LAN routers allows a logged-in user to execute arbitrary OS commands.

Threat Intelligence Overview

EPSS Score

0.5%

Top 58% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.5%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.