CVE-2020-15633
8.8 · HIGHOverview
CVE-2020-15633 is a high-severity vulnerability affecting d-link dir-867_firmware. It was published on July 23, 2020 and has a CVSS 3.1 base score of 8.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-867, DIR-878, and DIR-882 routers with firmware 1.20B10_BETA. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP requests. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the router. Was ZDI-CAN-10835.
Remediation
Check the references section for vendor advisories and patches from d-link. Update dir-867_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 |
|---|---|---|---|
| d-link | dir-867_firmware | 0 | Affected |
| d-link | dir-878_firmware | 0 | Affected |
Frequently Asked Questions
What is CVE-2020-15633?
CVE-2020-15633 is a high-severity vulnerability affecting d-link dir-867_firmware. It was published on July 23, 2020 and has a CVSS 3.1 base score of 8.8 (HIGH).
How severe is CVE-2020-15633?
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2020-15633?
Check the references section for vendor advisories and patches from d-link. Update dir-867_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-2020-15633?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-15633 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
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