Tenda CH22 1.0.0.1 /goform/exeCommand formexeCommand cmdinput buffer overflow
Summary
A vulnerability classified as critical has been found in Tenda CH22 1.0.0.1. This issue affects the function formexeCommand of the file /goform/exeCommand. The manipulation of the argument cmdinput leads to buffer overflow.
This vulnerability is traded as CVE-2025-9812. 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 CH22 1.0.0.1. This issue affects the function formexeCommand of the file /goform/exeCommand. The manipulation of the argument cmdinput 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.
It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2025-9812. The exploitation is known to be easy. The attack may be initiated remotely. Technical details as well as a public exploit are known.
The exploit is available at github.com. 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.
Statistical analysis made it clear that VulDB provides the best quality 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: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 8.8VulDB Meta Temp Score: 8.4
VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 8.8
CNA 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: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
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
09/01/2025 Advisory disclosed09/01/2025 VulDB entry created
09/02/2025 VulDB entry last update
Sources
Vendor: tenda.com.cnAdvisory: github.com
Status: Not defined
CVE: CVE-2025-9812 (🔒)
GCVE (CVE): GCVE-0-2025-9812
GCVE (VulDB): GCVE-100-322139
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 09/01/2025 23:05Updated: 09/02/2025 05:24
Changes: 09/01/2025 23:05 (57), 09/02/2025 05:24 (31)
Complete: 🔍
Submitter: wakaka123
Cache ID: 216::103
Submit
Accepted
- Submit #641148: Tenda CH22 V1.0.0.1 Buffer overflow vulnerability (by wakaka123)
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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