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CVE-2026-11528 Tenda CVE debrief

A high-severity vulnerability, CVE-2026-11528, was found in Tenda AC18 15.03.05.05. The vulnerability affects the function sub_45304 of the file /goform/getRebootStatus in the Web Management Interface. An attacker can exploit this vulnerability remotely, resulting in 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 [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-11528) and additional details can be found on [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-11528).

Vendor
Tenda
Product
AC18
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 AC18 15.03.05.05 are advised to take immediate action to mitigate this vulnerability.

Technical summary

The vulnerability is caused by a stack-based buffer overflow in the sub_45304 function of the /goform/getRebootStatus file in the Web Management Interface of Tenda AC18 15.03.05.05. This can be exploited remotely by manipulating the callback argument.

Defensive priority

High

Recommended defensive actions

  • Apply patches or updates provided by the vendor as soon as possible.
  • Restrict access to the Web Management Interface to trusted users only.
  • Monitor network traffic for suspicious activity.

Evidence notes

The vulnerability has been made public and could be used for malicious purposes.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11528 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11528

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

  • CVE-2026-11528 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11528

    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.