CVE-2022-46139
TP-Link TL-WR940N V4 3.16.9 and earlier allows authenticated attackers to cause a Denial of...
TP-Link TL-WR940N V4 3.16.9 and earlier allows authenticated attackers to cause a Denial of Service (DoS) via uploading a crafted firmware image during the firmware update process.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
TP-Link TL-WR940N V4 3.16.9 and earlier allows authenticated attackers to cause a Denial of Service (DoS) via uploading a crafted firmware image during the firmware update process.
- Record
CVE-2022-46139- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-345
- Updated
- 2026-11-02
CVE List
TP-Link TL-WR940N V4 3.16.9 and earlier allows authenticated attackers to cause a Denial of Service (DoS) via uploading a crafted firmware image during the firmware update process.
- Record
CVE-2022-46139- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-345
- Updated
- 2026-11-02
EUVDEUVD-2022-48977
TP-Link TL-WR940N V4 3.16.9 and earlier allows authenticated attackers to cause a Denial of Service (DoS) via uploading a crafted firmware image during the firmware update process.
- Record
EUVD-2022-48977- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-h3c5-f4fm-gc7h
TP-Link TL-WR940N V4 3.16.9 and earlier allows authenticated attackers to cause a Denial of...
TP-Link TL-WR940N V4 3.16.9 and earlier allows authenticated attackers to cause a Denial of Service (DoS) via uploading a crafted firmware image during the firmware update process.
- Record
GHSA-h3c5-f4fm-gc7h- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-345
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-46139 is a medium vulnerability (CVSS 6.5) in Tp-link Tl-wr940n V4 Firmware, published December 20, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 23rd percentile. No source names a fixed version.