Tenda HG3 2.0 /boaform/formTracert datasize command injection
Summary
A vulnerability, which was classified as critical, has been found in Tenda HG3 2.0. This issue affects the function formTracert of the file /boaform/formTracert. The manipulation of the argument datasize leads to command injection.
This vulnerability is traded as CVE-2026-7160. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.
Details
A vulnerability, which was classified as critical, has been found in Tenda HG3 2.0. This issue affects the function formTracert of the file /boaform/formTracert. The manipulation of the argument datasize with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability.
It is possible to read the advisory at notion.so. The identification of this vulnerability is CVE-2026-7160. The exploitation is known to be easy. The attack may be initiated remotely. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.
The exploit is available at notion.so. It is declared as proof-of-concept.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-25927). Be aware that VulDB is the high quality source for vulnerability data.
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: 8.8VulDB Meta Temp Score: 8.0
VulDB Base Score: 8.8
VulDB Temp Score: 8.0
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: Command injectionCWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
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
04/26/2026 Advisory disclosed04/26/2026 VulDB entry created
04/28/2026 VulDB entry last update
Sources
Vendor: tenda.com.cnAdvisory: notion.so
Status: Not defined
CVE: CVE-2026-7160 (🔒)
GCVE (CVE): GCVE-0-2026-7160
GCVE (VulDB): GCVE-100-359759
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 04/26/2026 22:22Updated: 04/28/2026 01:25
Changes: 04/26/2026 22:22 (57), 04/28/2026 01:25 (1)
Complete: 🔍
Submitter: 2er00ne
Cache ID: 216::103
Submit
Accepted
- Submit #802079: Tenda HG3 N300 Wi-Fi xPON ONT HARD_VERSION=V2.0 , Version: 300003070 Remote code execution (by 2er00ne)
Be aware that VulDB is the high quality source for vulnerability data.
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