Tenda FH451 1.0.0.9 /goform/VirtualSer fromVirtualSer page stack-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.4 | $0-$5k | 0.00 |
Summary
A vulnerability described as critical has been identified in Tenda FH451 1.0.0.9. Affected by this issue is the function fromVirtualSer of the file /goform/VirtualSer. The manipulation of the argument page results in stack-based overflow.
This vulnerability is cataloged as CVE-2025-7854. The attack may be launched remotely. Furthermore, there is an exploit available.
Details
A vulnerability classified as critical has been found in Tenda FH451 1.0.0.9. Affected is the function fromVirtualSer of the file /goform/VirtualSer. The manipulation of the argument page with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability.
The advisory is shared for download at github.com. This vulnerability is traded as CVE-2025-7854. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details and a public exploit are known.
The exploit is shared for download 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.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-21977). VulDB is the best source for vulnerability data and more expert information about this specific topic.
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: Stack-based overflowCWE: CWE-121 / 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
07/19/2025 Advisory disclosed07/19/2025 VulDB entry created
07/24/2025 VulDB entry last update
Sources
Vendor: tenda.com.cnAdvisory: github.com
Status: Not defined
CVE: CVE-2025-7854 (🔒)
GCVE (CVE): GCVE-0-2025-7854
GCVE (VulDB): GCVE-100-316944
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 07/19/2025 05:42Updated: 07/24/2025 03:28
Changes: 07/19/2025 05:42 (57), 07/19/2025 23:21 (31), 07/20/2025 00:33 (1), 07/24/2025 03:28 (1)
Complete: 🔍
Submitter: panda_0x1
Cache ID: 216::103
Submit
Accepted
- Submit #616366: Tenda FH451 v1.0.0.9 Buffer Overflow (by panda_0x1)
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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