CVE-2026-3729

Tenda F453 PPTPDClient fromPptpUserAdd stack-based overflow

HIGH
8.8
CVSS Score
Published: March 8, 2026 at 10:32 AM UTC
Updated: June 17, 2026 at 10:44 AM UTC
2 products affected across 1 vendorF453 FirmwareF453

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Severity
HIGH8.8
Exploit prediction
EPSS 0.7%
SSVC
PoC

Description

A vulnerability was identified in Tenda F453 1.0.0.3/3.As. Impacted is the function fromPptpUserAdd of the file /goform/PPTPDClient. Such manipulation of the argument username/opttype leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might 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/?id.349707
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.349707
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.766934
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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