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CVE-2026-11498 Tenda CVE debrief

A vulnerability was found in Tenda HG7HG9 and HG10 300001138_en_xpon. Affected by this issue is the function asp_voip_OtherSet of the file /boaform/voip_other_set of the component Web Management Interface. Performing a manipulation of the argument funckey_transfer results in stack-based buffer overflow. The attack is possible to be carried out remotely.

Vendor
Tenda
Product
HG7HG9
CVSS
HIGH 8.7
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 HG7HG9 and HG10 300001138_en_xpon devices should be aware of this vulnerability and apply patches or mitigations as available.

Technical summary

The vulnerability exists in the Web Management Interface of Tenda HG7HG9 and HG10 300001138_en_xpon devices, specifically in the asp_voip_OtherSet function of the /boaform/voip_other_set file. A remote attacker can exploit this vulnerability by manipulating the funckey_transfer argument, leading to a stack-based buffer overflow.

Defensive priority

HIGH

Recommended defensive actions

  • Apply patches or updates provided by the vendor as soon as possible.
  • Limit access to the Web Management Interface to trusted users and networks.
  • Monitor network traffic and system logs for suspicious activity.

Evidence notes

The CVE-2026-11498 vulnerability has a CVSS score of 8.7 and is classified as HIGH severity. The vulnerability is caused by a stack-based buffer overflow in the asp_voip_OtherSet function of the /boaform/voip_other_set file.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11498 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11498

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

  • CVE-2026-11498 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11498

    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.