Tenda AC9 15.03.06.42_multi formGetRebootTimer stack-based overflow
Summary
A vulnerability was found in Tenda AC9 15.03.06.42_multi. It has been classified as critical. Affected by this issue is the function formGetRebootTimer. Performing a manipulation of the argument sys.schedulereboot.start_time/sys.schedulereboot.end_time results in stack-based overflow.
This vulnerability is known as CVE-2026-2192. Remote exploitation of the attack is possible. Furthermore, an exploit is available.
Details
A vulnerability was found in Tenda AC9 15.03.06.42_multi. It has been classified as critical. This affects the function formGetRebootTimer. The manipulation of the argument sys.schedulereboot.start_time/sys.schedulereboot.end_time 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.
It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-2192. The exploitability is told to be easy. It is possible to initiate the attack remotely. The exploitation requires an enhanced level of successful authentication. 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.
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: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 7.2VulDB Meta Temp Score: 6.8
VulDB Base Score: 7.2
VulDB Temp Score: 6.5
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 7.2
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
02/07/2026 Advisory disclosed02/07/2026 VulDB entry created
02/09/2026 VulDB entry last update
Sources
Vendor: tenda.com.cnAdvisory: github.com
Status: Not defined
CVE: CVE-2026-2192 (🔒)
GCVE (CVE): GCVE-0-2026-2192
GCVE (VulDB): GCVE-100-344895
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 02/07/2026 18:33Updated: 02/09/2026 00:42
Changes: 02/07/2026 18:33 (56), 02/09/2026 00:42 (31)
Complete: 🔍
Submitter: jfkk
Cache ID: 216::103
Submit
Accepted
- Submit #749801: Tenda AC9 v1.0/V3.0 V15.03.06.42_multi Stack-based Buffer Overflow (by jfkk)
Be aware that VulDB is the high quality source for vulnerability data.
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