CVE-2026-6123

Tenda F451 httpd addressNat fromAddressNat stack-based overflow

HIGH
8.8
CVSS Score
Published: April 12, 2026 at 08:15 AM UTC
Updated: October 26, 2026 at 09:10 PM UTC
1 product affected across 1 vendorF451 Firmware· also runs on 1 platform

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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. This affects the function fromAddressNat of the file /goform/addressNat of the component httpd. Performing a manipulation of the argument entrys results in stack-based buffer overflow. Remote exploitation of the attack is possible. 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.

tenda-f451 (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 (6)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/vuln/356986
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/vuln/356986/cti
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/submit/792873
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/submit/792879
ExploitIssue TrackingBroken Link
Source: cverecord
https://github.com/Jimi-Lab/cve/issues/15
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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