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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.

PUBLISHED Reserved 2026-04-26 | Published 2026-04-27 | Updated 2026-04-27 | Assigner VulDB




HIGH: 8.7CVSS: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
HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
9.0AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Buffer Overflow

Memory Corruption

Product status

1.0.0.5
affected

Timeline

2026-04-26:Advisory disclosed
2026-04-26:VulDB entry created
2026-04-26:VulDB entry last update

Credits

LtzHuster (VulDB User) reporter

References

vuldb.com/vuln/359675 (VDB-359675 | Tenda F456 httpd Natlimit fromNatlimitof buffer overflow) vdb-entry technical-description

vuldb.com/vuln/359675/cti (VDB-359675 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/798473 (Submit #798473 | Tenda F456 v1.0.0.5 Stack-based Buffer Overflow) third-party-advisory

github.com/...eng/vuldb_new/blob/main/F456/vul_138/README.md exploit

www.tenda.com.cn/ product

cve.org (CVE-2026-7100)

nvd.nist.gov (CVE-2026-7100)

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