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CVE-2026-5991

Tenda F451 WrlExtraSet formWrlExtraSet stack-based overflow

HIGH
8.8
CVSS Score
Published: April 9, 2026 at 11:45 PM 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 vulnerability was found in Tenda F451 1.0.0.7. Affected by this issue is the function formWrlExtraSet of the file /goform/WrlExtraSet. The manipulation of the argument GO results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been made public and could 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/356545
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/vuln/356545/cti
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/submit/792862
ExploitIssue TrackingBroken Link
Source: cverecord
https://github.com/Jimi-Lab/cve/issues/9
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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