CVE-2026-3398
High
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductTenda F453 Firmware
PublishedMar 1, 2026
First seenMar 1, 2026
Weakness typeCWE-120CWE-120CWE-119Memory buffer bounds error
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| tenda f453_firmware | 1.0.0.3 | — |
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