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7.4
Tenda F453 Software Has a Buffer Overflow Flaw That Allows Remote Attacks
CVE-2026-3169
Summary
A security flaw in the Tenda F453 software allows hackers to potentially take control of the device remotely. This flaw is due to a buffer overflow in the SafeEmailFilter function when certain input is received. Users should update their Tenda F453 software to the latest version to protect against this type of attack.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| tenda | f453_firmware | 1.0.0.3 | – |
Original title
A security vulnerability has been detected in Tenda F453 1.0.0.3. This impacts the function fromSafeEmailFilter of the file /goform/SafeEmailFilter of the component httpd. The manipulation of the a...
Original description
A security vulnerability has been detected in Tenda F453 1.0.0.3. This impacts the function fromSafeEmailFilter of the file /goform/SafeEmailFilter of the component httpd. The manipulation of the argument page leads to buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.
nvd CVSS2.0
9.0
nvd CVSS3.1
8.8
nvd CVSS4.0
7.4
Vulnerability type
CWE-119
Buffer Overflow
CWE-120
Classic Buffer Overflow
- https://github.com/Litengzheng/vul_db/blob/main/F453/vul_68/README.md Exploit Third Party Advisory
- https://vuldb.com/?ctiid.347676 Permissions Required VDB Entry
- https://vuldb.com/?id.347676 Third Party Advisory VDB Entry
- https://vuldb.com/?submit.759597 Third Party Advisory VDB Entry
- https://www.tenda.com.cn/ Product
Published: 25 Feb 2026 · Updated: 12 Mar 2026 · First seen: 6 Mar 2026