CVE-2018-15840 — HIGH (7.5)

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tp-Link	Tl-Wr840N Firmware	-
Tp-Link	Tl-Wr840N	-

Related Weaknesses (CWE)

CWE-119

References

https://hackingvila.wordpress.com/2019/02/17/tp-link-wireless-n-router-wr840n-buExploitThird Party Advisory
https://hackingvila.wordpress.com/2019/02/17/tp-link-wireless-n-router-wr840n-buExploitThird Party Advisory

FAQ

What is CVE-2018-15840?

CVE-2018-15840 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.

How severe is CVE-2018-15840?

CVE-2018-15840 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-15840?

Check the references section above for vendor advisories and patch information. Affected products include: Tp-Link Tl-Wr840N Firmware, Tp-Link Tl-Wr840N.