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CVE-2026-7100

Tenda F456 httpd Natlimit fromNatlimitof buffer overflow

HIGH
8.8
CVSS Score
Published: April 27, 2026 at 07:45 AM UTC
Updated: October 26, 2026 at 09:10 PM UTC
1 product affected across 1 vendorF456 Firmware· also runs on 1 platform

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Severity
HIGH8.8
Exploit prediction
EPSS 0.6%
SSVC
PoC

Description

A flaw has been found in Tenda F456 1.0.0.5. The impacted element is the function fromNatlimitof of the file /goform/Natlimit of the component httpd. Executing a manipulation can lead to buffer overflow. The attack may be launched 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.

F456 Firmware· Tenda
95%
1.0.0.5
tenda-f456 (same device)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

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/359675
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/vuln/359675/cti
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/submit/798473
ExploitThird Party Advisory
Source: cverecord
https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_138/README.md
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-120CWE-119

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