CVE-2026-5684

Tenda CX12L webExcptypemanFilter fromwebExcptypemanFilter stack-based overflow

HIGH
8
CVSS Score
Published: April 6, 2026 at 09:15 PM UTC
Updated: July 24, 2026 at 09:23 AM UTC
2 products affected across 1 vendorCX12L FirmwareCx12L

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Severity
HIGH8
Exploit prediction
EPSS 0.6%
SSVC
PoC

Description

A vulnerability was determined in Tenda CX12L 16.03.53.12. Affected by this issue is the function fromwebExcptypemanFilter of the file /goform/webExcptypemanFilter. Executing a manipulation of the argument page can lead to stack-based buffer overflow. The attack requires access to the local network. The exploit has been publicly disclosed and may be utilized.

Affected

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

tenda-cx12l (same device)
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (5)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/vuln/355511
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/vuln/355511/cti
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/submit/792781
ExploitIssue TrackingMitigationThird Party Advisory
Source: cverecord
https://github.com/cve-a/lvdan/issues/2
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

8HIGHVulDB
Vector?

Quick Info

StatusANALYZED
CWE
CWE-121CWE-119

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