CVE-2026-7151 Details
Description
A vulnerability was determined in Tenda HG3 2.0. Impacted is the function formUploadConfig of the file /boaform/formIPv6Routing. This manipulation of the argument destNet causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.
A stack-based buffer overflow vulnerability has been identified in the Tenda HG3 router operating system version 2.0. The issue arises in the 'formUploadConfig' function within the '/boaform/formIPv6Routing' file. The vulnerability is triggered by improper validation of the 'destNet' argument, allowing remote attackers to exploit the flaw. This exploitation can lead to unauthorized access to the device's internal system interfaces and cause denial-of-service conditions, disrupting the normal operation of the affected IoT device.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Apr 29, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://vuldb.com/submit/802058 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/359750 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/359750/cti | [email protected] | Permissions RequiredVDB Entry |
| https://www.notion.so/33e0c75766a88041bd86d3810994a541 | [email protected] | ExploitThird Party Advisory |
| https://www.tenda.com.cn/ | [email protected] | Product |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-121 | Stack-based Buffer Overflow | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| tenda hg3 firmware | 300003070 |
CPE
Remediation
| |
| tenda hg3 | 2.0 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 30, 2026 | Initial Analysis | [email protected] |
| Apr 27, 2026 | New CVE Received | [email protected] |