CVE-2018-15840
7.5 · HIGHOverview
CVE-2018-15840 is a high-severity vulnerability affecting tp-link tl-wr840n_firmware. It was published on March 29, 2019 and has a CVSS 3.0 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
TP-Link TL-WR840N devices allow remote attackers to cause a denial of service (networking outage) via fragmented packets, as demonstrated by an "nmap -f" command.
Remediation
Check the references section for vendor advisories and patches from tp-link. Update tl-wr840n_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 |
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Frequently Asked Questions
What is CVE-2018-15840?
CVE-2018-15840 is a high-severity vulnerability affecting tp-link tl-wr840n_firmware. It was published on March 29, 2019 and has a CVSS 3.0 base score of 7.5 (HIGH).
How severe is CVE-2018-15840?
This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-15840?
Check the references section for vendor advisories and patches from tp-link. Update tl-wr840n_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-2018-15840?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-15840 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.
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