CVE-2026-4534

Tenda FH451 WrlExtraSet formWrlExtraSet stack-based overflow

HIGH
8.8
CVSS Score
Published: March 22, 2026 at 03:32 AM UTC
Updated: June 17, 2026 at 10:56 AM UTC
1 product affected across 1 vendorFH451 Firmware

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Severity
HIGH8.8
Exploit prediction
EPSS 0.6%
SSVC
PoC

Description

A flaw has been found in Tenda FH451 1.0.0.9. This affects the function formWrlExtraSet of the file /goform/WrlExtraSet. This manipulation of the argument GO causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been published and may be used.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

tenda-fh451 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.352322
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.352322
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.774342
Product
Source: cverecord
https://www.tenda.com.cn/

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHVulDB
Vector?

Quick Info

StatusANALYZED
CWE
CWE-121CWE-119

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