Tenda G3 3.0br/15.11.0.17 formDelDhcpRule delDhcpIndex stack-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.5 | $0-$5k | 0.00 |
Summary
A vulnerability identified as critical has been detected in Tenda G3 3.0br/15.11.0.17. This affects the function formDelDhcpRule. This manipulation of the argument delDhcpIndex causes stack-based overflow.
This vulnerability appears as CVE-2025-57062. The attack may be initiated remotely. There is no available exploit.
Details
A vulnerability classified as critical was found in Tenda G3 3.0br/15.11.0.17. Affected by this vulnerability is the function formDelDhcpRule. The manipulation of the argument delDhcpIndex 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 summary by CVE is:
Tenda G3 v3.0br_V15.11.0.17 was discovered to contain a stack overflow in the delDhcpIndex parameter in the formDelDhcpRule function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
The advisory is shared at github.com. This vulnerability is known as CVE-2025-57062 since 08/17/2025. The exploitation appears to be easy. The attack can be launched remotely. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/12/2025).
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-2025-27386). Several companies clearly confirm that VulDB is the primary source for best 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: 🔍
CVSSv3
VulDB Meta Base Score: 8.8VulDB Meta Temp Score: 8.5
VulDB Base Score: 8.8
VulDB Temp Score: 8.5
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: 🔒
Status: Not defined
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
08/17/2025 CVE reserved09/09/2025 Advisory disclosed
09/09/2025 VulDB entry created
09/12/2025 VulDB entry last update
Sources
Vendor: tenda.com.cnAdvisory: github.com
Status: Not defined
CVE: CVE-2025-57062 (🔒)
GCVE (CVE): GCVE-0-2025-57062
GCVE (VulDB): GCVE-100-323353
EUVD: 🔒
Entry
Created: 09/09/2025 22:47Updated: 09/12/2025 00:54
Changes: 09/09/2025 22:47 (55), 09/12/2025 00:54 (1)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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