Quick answers
- Is CVE-2026-109108 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-109108 being exploited in the wild.
- How severe is CVE-2026-109108?
- Critical severity, with a CVSS score of 9.9, published 13 October 2026.
- Which products and versions are affected?
- Wavlink WL-WN530BE1-A 251117.
- Is there a fix for CVE-2026-109108?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-109108 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-109108?
- Check whether you run Wavlink WL-WN530BE1-A at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
An OS command injection vulnerability exists in the /cgi-bin/uploadVpn.cgi script's popen function, where the "Type" argument is not properly sanitized. An attacker can craft a malicious request from the network to execute arbitrary system commands with device privileges. Exploitation requires no authentication and proof-of-concept code has been publicly disclosed.
Affected products
- Wavlink WL-WN530BE1-A 251117
Timeline
- 2026-10-13: disclosed
- 2026-10-13: advisory