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7.4
Tenda FH451 Router: Unsecured Function Can Be Exploited Remotely
CVE-2026-3679
Summary
A security flaw in the Tenda FH451 router's QuickIndex function allows an attacker to launch a remote attack by manipulating a specific argument, potentially leading to unauthorized access. This vulnerability has a public exploit available, making it a priority to address. Users should update their Tenda FH451 routers to a patched version to prevent potential exploitation.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| tenda | f451_firmware | 1.0.0.9 | – |
Original title
A vulnerability was identified in Tenda FH451 1.0.0.9. Affected by this vulnerability is the function formQuickIndex of the file /goform/QuickIndex. Such manipulation of the argument mit_linktype/P...
Original description
A vulnerability was identified in Tenda FH451 1.0.0.9. Affected by this vulnerability is the function formQuickIndex of the file /goform/QuickIndex. Such manipulation of the argument mit_linktype/PPPOEPassword leads to stack-based buffer overflow. It is possible to launch the attack 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
Published: 7 Mar 2026 · Updated: 13 Mar 2026 · First seen: 7 Mar 2026