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7.4
Tenda Wireless Router May Allow Remote Hacking
CVE-2026-2905
Summary
A security flaw in the Tenda HG9 wireless router's settings page could let hackers take control of the device from anywhere. This means they could potentially access and change sensitive information, or even use the router to attack other devices on the network. Update the router's software as soon as possible to fix this issue.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| tenda | hg9_firmware | 300001138 | – |
Original title
A vulnerability was identified in Tenda HG9 300001138. This impacts an unknown function of the file /boaform/formWlanSetup of the component Wireless Configuration Endpoint. The manipulation of the ...
Original description
A vulnerability was identified in Tenda HG9 300001138. This impacts an unknown function of the file /boaform/formWlanSetup of the component Wireless Configuration Endpoint. The manipulation of the argument ssid leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit is publicly available and might be used.
nvd CVSS2.0
9.0
nvd CVSS3.1
8.8
nvd CVSS4.0
7.4
Vulnerability type
CWE-119
Buffer Overflow
CWE-121
Stack-based Buffer Overflow
- https://github.com/QIU-DIE/cve-nneeww/issues/7 Exploit Issue Tracking Mitigation Third Party Advisory
- https://vuldb.com/?ctiid.347214 Permissions Required VDB Entry
- https://vuldb.com/?id.347214 Third Party Advisory VDB Entry
- https://vuldb.com/?submit.755167 Third Party Advisory VDB Entry
- https://www.tenda.com.cn/ Product
Published: 22 Feb 2026 · Updated: 12 Mar 2026 · First seen: 6 Mar 2026