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CVSS 8.8 · HIGH

CVE-2026-7080

A security vulnerability has been detected in Tenda F456 1.0.0.5. This impacts the function fromPPTPUserSetting of the file /goform/PPTPUserSetting of the component httpd. Such manipulation of the argument delno leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.

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Analysis

This is a vendor-specific firmware vulnerability for a Tenda home router. While the CVSS is high and an exploit is public, the impact is limited to users of a specific consumer IoT device which does not represent infrastructure or tooling relevant to professional software development or large-scale server operations.

Severity

Score: 8.8(HIGH)
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AV: NETWORK
AC: LOW
PR: LOW
UI: NONE
S: UNCHANGED
C: HIGH
I: HIGH
A: HIGH
Weakness (CWE): CWE-119CWE-120

EPSS

Probability of exploitation (next 30 days): 0.0008 (0.1%)
Percentile: 23.2%
EPSS: 2026-05-06

Affects

tenda:f456_firmwaretenda:f456

Technical description

A security vulnerability has been detected in Tenda F456 1.0.0.5. This impacts the function fromPPTPUserSetting of the file /goform/PPTPUserSetting of the component httpd. Such manipulation of the argument delno leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.

Published: 4/27/2026, 3:16:00 AM
Last modified: 4/30/2026, 2:35:53 PM

References

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