Quick answers
- Is CVE-2026-9660 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-9660 being exploited in the wild.
- How severe is CVE-2026-9660?
- Critical severity, with a CVSS score of 9.1, published 20 October 2026.
- Which products and versions are affected?
- TOTOLINK X2000r TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327.
- Is there a fix for CVE-2026-9660?
- 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-2026-9660 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-9660?
- Check whether you run TOTOLINK X2000r 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
Stack-based buffer overflow vulnerabilities exist in the formFilter() function of the boa web server on the X2000R, exploitable via crafted POST parameters including vpnPassword. The vulnerability requires prior authentication and network access to the web administration interface. Successful exploitation leads to arbitrary code execution with router-level privileges.
Affected products
- TOTOLINK X2000R TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327
Timeline
- 2026-10-20: disclosed