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7.4
Tenda F453 1.0.0.3: Unsecured Function Allows Remote Attack
CVE-2026-3398
Summary
A security flaw in the Tenda F453 1.0.0.3 allows hackers to potentially take control of your router from the internet. This could give them access to your network and the devices connected to it. Update your router 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 | f453_firmware | 1.0.0.3 | – |
Original title
A vulnerability was determined in Tenda F453 1.0.0.3. Affected is the function fromAdvSetWan of the file /goform/AdvSetWan of the component httpd. Executing a manipulation of the argument wanmode/P...
Original description
A vulnerability was determined in Tenda F453 1.0.0.3. Affected is the function fromAdvSetWan of the file /goform/AdvSetWan of the component httpd. Executing a manipulation of the argument wanmode/PPPOEPassword can lead to buffer overflow. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.
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_82/README.md Exploit Third Party Advisory
- https://vuldb.com/?ctiid.348293 Permissions Required VDB Entry
- https://vuldb.com/?id.348293 Third Party Advisory VDB Entry
- https://vuldb.com/?submit.759630 Third Party Advisory VDB Entry
- https://www.tenda.com.cn/ Product
Published: 1 Mar 2026 · Updated: 13 Mar 2026 · First seen: 6 Mar 2026