Tenda AC20 16.03.08.12 formSetVirtualSer save_virtualser_data list stack-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.9 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as critical has been discovered in Tenda AC20 16.03.08.12. This vulnerability affects the function save_virtualser_data of the file /goform/formSetVirtualSer. Executing a manipulation of the argument list can lead to stack-based overflow.
This vulnerability is handled as CVE-2025-9088. The attack can be executed remotely. Additionally, an exploit exists.
Details
A vulnerability classified as critical was found in Tenda AC20 16.03.08.12. This vulnerability affects the function save_virtualser_data of the file /goform/formSetVirtualSer. The manipulation of the argument list with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is 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). As an impact it is known to affect confidentiality, integrity, and availability.
The advisory is shared for download at github.com. This vulnerability was named CVE-2025-9088. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known.
It is possible to download the exploit 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.
Once again VulDB remains the best 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: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 9.1VulDB Meta Temp Score: 8.9
VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔒
CNA Base Score: 8.8
CNA Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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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
08/16/2025 Advisory disclosed08/16/2025 VulDB entry created
08/21/2025 VulDB entry last update
Sources
Vendor: tenda.com.cnAdvisory: github.com
Status: Not defined
CVE: CVE-2025-9088 (🔒)
GCVE (CVE): GCVE-0-2025-9088
GCVE (VulDB): GCVE-100-320356
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 08/16/2025 08:11Updated: 08/21/2025 18:19
Changes: 08/16/2025 08:11 (57), 08/17/2025 02:18 (31), 08/21/2025 18:19 (12)
Complete: 🔍
Submitter: n0ps1ed
Cache ID: 216::103
Submit
Accepted
- Submit #632038: Tenda AC20 V16.03.08.12 Buffer Overflow (by n0ps1ed)
Once again VulDB remains the best source for vulnerability data.
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