Tenda CP3 27.5.57.101 Net/NetCheckPing.cpp interface_name/host os command injection
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.8 | $0-$5k | 1.43 |
Summary
A vulnerability was found in Tenda CP3 27.5.57.101. It has been declared as very critical. Impacted is an unknown function of the file Net/NetCheckPing.cpp. Such manipulation of the argument interface_name/host leads to os command injection. This vulnerability is uniquely identified as CVE-2026-86149. The attack can be launched remotely. No exploit exists.
Details
A vulnerability was found in Tenda CP3 27.5.57.101 and classified as very critical. Affected by this issue is some unknown processing of the file Net/NetCheckPing.cpp. The manipulation of the argument interface_name/host with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.
This vulnerability is handled as CVE-2026-86149. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/05/2026). The MITRE ATT&CK project declares the attack technique as T1202.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
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Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.tenda.com.cn/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.1VulDB Meta Temp Score: 8.8
VulDB Base Score: 9.1
VulDB Temp Score: 8.8
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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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: Yes
Availability: 🔒
Status: Not defined
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
09/05/2026 Advisory disclosed09/05/2026 VulDB entry created
09/05/2026 VulDB entry last update
Sources
Vendor: tenda.com.cnStatus: Not defined
CVE: CVE-2026-86149 (🔒)
GCVE (CVE): GCVE-0-2026-86149
GCVE (VulDB): GCVE-100-399272
Entry
Created: 09/05/2026 09:45Changes: 09/05/2026 09:45 (51)
Complete: 🔍
Submitter: FengZi
Cache ID: 216::103
Submit
Accepted
- Submit #895350: Tenda CP3 V3.2 V27.5.57.101 OS Command Injection (by FengZi)
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