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CVE-2026-11557 Tenda CVE debrief

A high-severity vulnerability, CVE-2026-11557, has been identified in Tenda F451. The vulnerability affects the fromNatlimit function in the /goform/Natlimit file of the Web Management Interface. A remote attacker can exploit this vulnerability by manipulating the 'page' argument, leading to a stack-based buffer overflow. The CVSS score for this vulnerability is 7.4, indicating a high level of severity. The vulnerability was published on [cvePublishedAt] and last modified on [cveModifiedAt].

Vendor
Tenda
Product
F451
CVSS
HIGH 7.4
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-08
Original CVE updated
2026-07-23
Advisory published
2026-06-08
Advisory updated
2026-07-23

Who should care

Administrators and users of Tenda F451 should be aware of this vulnerability and take necessary actions to mitigate the risk.

Technical summary

The vulnerability is caused by a stack-based buffer overflow in the fromNatlimit function of the /goform/Natlimit file. An attacker can exploit this vulnerability by manipulating the 'page' argument, which can lead to remote code execution.

Defensive priority

High

Recommended defensive actions

  • Apply patches or updates provided by the vendor to fix the vulnerability.
  • Limit access to the Web Management Interface to trusted users only.
  • Monitor network traffic for suspicious activity.

Evidence notes

The vulnerability has been reported by Vuldb and is publicly available.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11557 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11557

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-11557 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11557

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.