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CVE-2026-6121

Tenda F451 httpd WrlclientSet stack-based overflow

HIGH
8.8
CVSS Score
Published: April 12, 2026 at 07:15 AM UTC
Updated: June 17, 2026 at 11:00 AM UTC
2 products affected across 1 vendorF451 FirmwareF451

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Severity
HIGH8.8
Exploit prediction
EPSS 0.5%
SSVC
PoC

Description

A flaw has been found in Tenda F451 1.0.0.7. Affected by this vulnerability is the function WrlclientSet of the file /goform/WrlclientSet of the component httpd. This manipulation of the argument GO causes stack-based buffer overflow. The attack may 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.

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/vuln/356984
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/vuln/356984/cti
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/submit/792865
ExploitIssue TrackingBroken Link
Source: cverecord
https://github.com/Jimi-Lab/cve/issues/12
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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