| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $0-$5k | 0.00 |
Summary
A vulnerability was found in TP-Link TL-WR802N V4. It has been declared as critical. Affected by this issue is some unknown functionality. Executing a manipulation can lead to os command injection. This vulnerability is tracked as CVE-2021-4144. No exploit exists. It is recommended to upgrade the affected component.
Details
A vulnerability classified as critical was found in TP-Link TL-WR802N V4 (Router Operating System). This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was disclosed 12/23/2021. The advisory is shared for download at jvn.jp. This vulnerability was named CVE-2021-4144 since 12/21/2021. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1202.
Upgrading to version 211202 eliminates this vulnerability. The upgrade is hosted for download at tp-link.com.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.tp-link.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Os command injectionCWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: TL-WR802N V4 211202
Timeline
12/21/2021 🔍12/23/2021 🔍
12/23/2021 🔍
12/26/2021 🔍
Sources
Vendor: tp-link.comAdvisory: jvn.jp
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2021-4144 (🔍)
GCVE (CVE): GCVE-0-2021-4144
GCVE (VulDB): GCVE-100-188992
Entry
Created: 12/23/2021 15:04Updated: 12/26/2021 14:38
Changes: 12/23/2021 15:04 (39), 12/26/2021 14:38 (2)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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