CVE-2026-33280
9.8 · CRITICALOverview
CVE-2026-33280 is a critical-severity vulnerability affecting buffalo wcr-1166dhpl_firmware. It was published on March 27, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Hidden functionality issue exists in BUFFALO Wi-Fi router products, which may allow an attacker to gain access to the product’s debugging functionality, resulting in the execution of arbitrary OS commands.
Remediation
Check the references section for vendor advisories and patches from buffalo. Update wcr-1166dhpl_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| buffalo | wcr-1166dhpl_firmware | >= 0, < 1.01 | Affected |
| buffalo | wsr3600be4-kh_firmware | >= 0, < 6.02 | Affected |
| buffalo | wsr3600be4p_firmware | >= 0, < 5.02 | Affected |
| buffalo | wxr-1750dhp_firmware | >= 0, < 2.63 | Affected |
| buffalo | wxr-1750dhp2_firmware | >= 0, < 2.63 | Affected |
| buffalo | wxr18000be10p_firmware | >= 0, < 5.03 | Affected |
| buffalo | wxr-1900dhp_firmware | >= 0, < 2.53 | Affected |
| buffalo | wxr-1900dhp2_firmware | >= 0, < 2.62 | Affected |
| buffalo | wxr-1900dhp3_firmware | >= 0, < 2.66 | Affected |
| buffalo | wxr-5950ax12_firmware | >= 0, < 3.57 | Affected |
Frequently Asked Questions
What is CVE-2026-33280?
CVE-2026-33280 is a critical-severity vulnerability affecting buffalo wcr-1166dhpl_firmware. It was published on March 27, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2026-33280?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-33280?
Check the references section for vendor advisories and patches from buffalo. Update wcr-1166dhpl_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-33280?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-33280 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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