Tenda i3 1.0.0.6(2204) /goform/wifiSSIDget formwrlSSIDget index stack-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.4 | $0-$5k | 0.28 |
Summary
A vulnerability classified as critical has been found in Tenda i3 1.0.0.6(2204). Affected by this vulnerability is the function formwrlSSIDget of the file /goform/wifiSSIDget. The manipulation of the argument index leads to stack-based overflow.
This vulnerability is referenced as CVE-2026-3970. Remote exploitation of the attack is possible. Furthermore, an exploit is available.
Details
A vulnerability was found in Tenda i3 1.0.0.6(2204). It has been rated as critical. This issue affects the function formwrlSSIDget of the file /goform/wifiSSIDget. The manipulation of the argument index with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to 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). Impacted is confidentiality, integrity, and availability.
The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-3970. 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.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-11497). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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
03/11/2026 Advisory disclosed03/11/2026 VulDB entry created
03/17/2026 VulDB entry last update
Sources
Vendor: tenda.com.cnAdvisory: github.com
Status: Not defined
CVE: CVE-2026-3970 (🔒)
GCVE (CVE): GCVE-0-2026-3970
GCVE (VulDB): GCVE-100-350405
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 03/11/2026 14:56Updated: 03/17/2026 06:56
Changes: 03/11/2026 14:56 (58), 03/12/2026 03:46 (1), 03/17/2026 06:56 (32)
Complete: 🔍
Submitter: Svigo
Cache ID: 216:8BD:103
Submit
Accepted
- Submit #768995: Tenda i3 V1.0.0.6(2204) Buffer Overflow (by Svigo)
Duplicate
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