What’s Vulnerable › Vulnerabilities

CVE-2018-15840

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-03-29 · updated 2026-06-17
• Weakness: CWE-119

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.

Affected products

• TP-Link Tl-Wr840N Firmware: all versions

References

• https://hackingvila.wordpress.com/2019/02/17/tp-link-wireless-n-router-wr840n-buffer-overflow-cve-2018-15840/
• https://hackingvila.wordpress.com/2019/02/17/tp-link-wireless-n-router-wr840n-buffer-overflow-cve-2018-15840/

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