CVE-2018-14336
TP-Link WR840N devices allow remote attackers to cause a denial of service (connectivity loss)...
TP-Link WR840N devices allow remote attackers to cause a denial of service (connectivity loss) via a series of packets with random MAC addresses.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
TP-Link WR840N devices allow remote attackers to cause a denial of service (connectivity loss) via a series of packets with random MAC addresses.
- Record
CVE-2018-14336- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
TP-Link WR840N devices allow remote attackers to cause a denial of service (connectivity loss) via a series of packets with random MAC addresses.
- Record
CVE-2018-14336- Updated
- 2026-11-02
EUVDEUVD-2018-6258 No score
TP-Link WR840N devices allow remote attackers to cause a denial of service (connectivity loss) via a series of packets with random MAC addresses.
- Record
EUVD-2018-6258- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jhp3-q93p-23pg
TP-Link WR840N devices allow remote attackers to cause a denial of service (connectivity loss)...
TP-Link WR840N devices allow remote attackers to cause a denial of service (connectivity loss) via a series of packets with random MAC addresses.
- Record
GHSA-jhp3-q93p-23pg- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | TP-Link TL-WR840N - Denial of Service | 2018-07-20 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-14336 is a high vulnerability (CVSS 7.5) in Tp-link Wr840n, published July 19, 2018. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 8.19%, the 94th percentile. No source names a fixed version.
