PT-2019-3734 · Tp Link · Tp-Link Tl-Wr840N

Aniket Dinda · Published 2019-03-29 · Updated 2019-04-02 · CVE-2018-15840

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions TP-Link TL-WR840N (affected versions not specified)

Description The issue is caused by a buffer overflow in the memory of TP-Link TL-WR840N router firmware. This can be exploited by a remote attacker to cause a denial of service, resulting in a networking outage, by sending fragmented packets. An example of how this can be done is by using the "nmap -f" command.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

BDU:2019-03989

CVE-2018-15840

Affected Products

Tp-Link Tl-Wr840N

References · 4

• 🔥 https://hackingvila.wordpress.com/2019/02/17/tp-link-wireless-n-router-wr840n-buffer-overflow-cve-2018-15840 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2018-15840 · Security Note
• https://bdu.fstec.ru/vul/2019-03989 · Security Note
• https://cxsecurity.com/cveshow/CVE-2018-15840 · Note