CVE-2019-19143
TP-LINK TL-WR849N 0.9.1 4.16 devices do not require authentication to replace the firmware via a...
TP-LINK TL-WR849N 0.9.1 4.16 devices do not require authentication to replace the firmware via a POST request to the cgi/softup URI.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
TP-LINK TL-WR849N 0.9.1 4.16 devices do not require authentication to replace the firmware via a POST request to the cgi/softup URI.
- Record
CVE-2019-19143- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N - CVSS 2.0
- 4.1 Medium
AV:A/AC:L/Au:S/C:P/I:P/A:N - Weakness
- CWE-306
- Updated
- 2026-11-02
CVE List No score
TP-LINK TL-WR849N 0.9.1 4.16 devices do not require authentication to replace the firmware via a POST request to the cgi/softup URI.
- Record
CVE-2019-19143- Updated
- 2026-11-02
EUVDEUVD-2019-8775 No score
TP-LINK TL-WR849N 0.9.1 4.16 devices do not require authentication to replace the firmware via a POST request to the cgi/softup URI.
- Record
EUVD-2019-8775- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-ph65-xpv9-v765
TP-LINK TL-WR849N 0.9.1 4.16 devices do not require authentication to replace the firmware via a...
TP-LINK TL-WR849N 0.9.1 4.16 devices do not require authentication to replace the firmware via a POST request to the cgi/softup URI.
- Record
GHSA-ph65-xpv9-v765- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-306
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | TL-WR849N 0.9.1 4.16 - Authentication Bypass (Upload Firmware) | 2020-03-02 |
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-2019-19143 is a medium vulnerability (CVSS 6.1) in Tp-link Tl-wr849n Firmware, published January 27, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 7.31%, the 94th percentile. No source names a fixed version.