CVE-2026-11557: Tenda F451 Web Management Natlimit fromNatlimit stack-based overflow

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-08 · updated 2026-07-23
Weakness: CWE-119

Description

A weakness has been identified in Tenda F451 1.0.0.7/1.0.0.9. The affected element is the function fromNatlimit of the file /goform/Natlimit of the component Web Management Interface. Executing a manipulation of the argument page can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks.

Affected products

Tenda F451: 1.0.0.7, 1.0.0.9

References

https://github.com/Robots10/IoT_vlu/blob/main/reports/Tenda/fromNatlimit/fromNatlimit.md
https://vuldb.com/cve/CVE-2026-11557
https://vuldb.com/submit/836477
https://vuldb.com/vuln/369167
https://vuldb.com/vuln/369167/cti
https://www.tenda.com.cn/

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