CVE-2026-7100
Tenda F456 httpd Natlimit fromNatlimitof buffer overflow
Vexday Risk Score
41Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 8.7EPSS 0.6%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Lifecycle
27 Apr 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Affected products
Tenda · F456public PoCs found — 1
cve_referencegithub.com/Litengzheng/vuldb_new/blob/main/F456/vul_138/README.mdunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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