CVE-2026-3398

HIGH

Tenda F453 1.0.0.3 - Buffer Overflow

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 8.8
EPSS 0.0009
EPSS Percentile 25.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-120
Status published
Products (1)
tenda/f453_firmware 1.0.0.3
Published Mar 01, 2026
Tracked Since Mar 02, 2026