CVE-2020-9374
On TP-Link TL-WR849N 0.9.1 4.16 devices, a remote command execution vulnerability in the...
On TP-Link TL-WR849N 0.9.1 4.16 devices, a remote command execution vulnerability in the diagnostics area can be exploited when an attacker sends specific shell metacharacters to the panel's traceroute feature.
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
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
On TP-Link TL-WR849N 0.9.1 4.16 devices, a remote command execution vulnerability in the diagnostics area can be exploited when an attacker sends specific shell metacharacters to the panel's traceroute feature.
- Record
CVE-2020-9374- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-78
- Updated
- 2026-11-02
CVE ListNo score
On TP-Link TL-WR849N 0.9.1 4.16 devices, a remote command execution vulnerability in the diagnostics area can be exploited when an attacker sends specific shell metacharacters to the panel's traceroute feature.
- Record
CVE-2020-9374- Updated
- 2026-11-02
EUVDEUVD-2020-30195No score
On TP-Link TL-WR849N 0.9.1 4.16 devices, a remote command execution vulnerability in the diagnostics area can be exploited when an attacker sends specific shell metacharacters to the panel's traceroute feature.
- Record
EUVD-2020-30195- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mxxh-w2ww-44fpNo score
On TP-Link TL-WR849N 0.9.1 4.16 devices, a remote command execution vulnerability in the...
On TP-Link TL-WR849N 0.9.1 4.16 devices, a remote command execution vulnerability in the diagnostics area can be exploited when an attacker sends specific shell metacharacters to the panel's traceroute feature.
- Record
GHSA-mxxh-w2ww-44fp- Weakness
- CWE-78
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | TP LINK TL-WR849N - Remote Code Execution | 2020-03-02 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| 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-2020-9374 is a critical vulnerability (CVSS 9.8) in Tp-link Tl-wr849n Firmware, published February 24, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 42.7%, the 98th percentile. No source names a fixed version.