CVE-2018-15172
TP-Link WR840N devices have a buffer overflow via a long Authorization HTTP header.
TP-Link WR840N devices have a buffer overflow via a long Authorization HTTP header.
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 have a buffer overflow via a long Authorization HTTP header.
- Record
CVE-2018-15172- 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-119
- Updated
- 2026-11-02
CVE List No score
TP-Link WR840N devices have a buffer overflow via a long Authorization HTTP header.
- Record
CVE-2018-15172- Updated
- 2026-11-02
EUVDEUVD-2018-7052 No score
TP-Link WR840N devices have a buffer overflow via a long Authorization HTTP header.
- Record
EUVD-2018-7052- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j7jv-8w7c-6jr8
TP-Link WR840N devices have a buffer overflow via a long Authorization HTTP header.
TP-Link WR840N devices have a buffer overflow via a long Authorization HTTP header.
- Record
GHSA-j7jv-8w7c-6jr8- 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-119
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | TP-Link WR840N 0.9.1 3.16 - Denial of Service (PoC) | 2018-08-16 |
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-2018-15172 is a high vulnerability (CVSS 7.5) in Tp-link Tl-wr840n Firmware, published August 15, 2018. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 8.20%, the 94th percentile. No source names a fixed version.
