TP-LINK WDR7400 devDiscoverHandle Server copy_msg_element buffer overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.6 | $0-$5k | 0.00 |
Summary
A vulnerability was found in TP-LINK WDR7400, WDR7500, WDR7660, WDR7800, WDR8400, WDR8500, WDR8600, WDR8620, WDR8640, WDR8660, WR880N, WR886N, WR890N, WR890N, WR882N and WR708N. It has been rated as critical. Affected by this issue is the function copy_msg_element of the component devDiscoverHandle Server. The manipulation leads to buffer overflow.
This vulnerability is documented as CVE-2020-28877. There is not any exploit available.
Details
A vulnerability was found in TP-LINK WDR7400, WDR7500, WDR7660, WDR7800, WDR8400, WDR8500, WDR8600, WDR8620, WDR8640, WDR8660, WR880N, WR886N, WR890N, WR890N, WR882N and WR708N. It has been rated as critical. This issue affects the function copy_msg_element of the component devDiscoverHandle Server. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability.
The weakness was released 11/21/2020. The advisory is shared at github.com. The identification of this vulnerability is CVE-2020-28877. Technical details are known, but no exploit is available.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Vendor
Name
- WDR7400
- WDR7500
- WDR7660
- WDR7800
- WDR8400
- WDR8500
- WDR8600
- WDR8620
- WDR8640
- WDR8660
- WR708N
- WR880N
- WR882N
- WR886N
- WR890N
- WR890N
License
Website
- Vendor: https://www.tp-link.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.6VulDB Meta Temp Score: 7.6
VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
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: 🔍
NVD Base Score: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
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: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
11/16/2020 🔍11/21/2020 🔍
11/21/2020 🔍
12/09/2020 🔍
Sources
Vendor: tp-link.comAdvisory: github.com
Status: Not defined
CVE: CVE-2020-28877 (🔍)
GCVE (CVE): GCVE-0-2020-28877
GCVE (VulDB): GCVE-100-165221
X-Force: 192112
Entry
Created: 11/21/2020 07:24Updated: 12/09/2020 18:18
Changes: 11/21/2020 07:24 (36), 12/09/2020 18:13 (2), 12/09/2020 18:18 (19)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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