CVE-2026-15511
CriticalCVSS 9.8Exploitation Probability (EPSS)
High risk84th percentile - higher than 84% of all known CVEs
Summary
A vulnerability was found in Comfast CF-WR631AX V3 up to version 2.7.0.8, involving OS command injection in the system_wl_upload_pic_file function within /usr/bin/webmgnt (FastCGI Backend). The filename argument is improperly sanitized, allowing remote exploitation. The exploit has been publicly disclosed.
Risk Assessment
The organization risks remote compromise of the device, potentially leading to network breaches, data theft, or lateral movement within the infrastructure.
Recommendation
Immediately isolate or disable the affected device from the production network and contact the vendor for a patch. If unavailable, consider replacing the device with a supported model.
Original NVD description (English source)
A vulnerability was determined in Comfast CF-WR631AX V3 up to 2.7.0.8. Affected by this vulnerability is the function system_wl_upload_pic_file of the file /usr/bin/webmgnt of the component FastCGI Backend. This manipulation of the argument filename causes os command injection. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.