CVE-2026-15511
Comfast CF-WR631AX V3 FastCGI Backend webmgnt system_wl_upload_pic_file os command injection
HIGH 8.9EPSS 4.7%
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.
- Affected
- Comfast · CF-WR631AX V3
- CVSS v4.0 VULDB
- 8.9 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS v3.1 VULDB
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS v2.0 VULDB
- 10.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C - EPSS
- 4.73% chance of exploitation in the next 30 days, 92nd percentile
- Published
- 2026-07-12
- Updated
- 2026-07-14
Proof-of-concept exploits (1)
- luminarydawn/cve/tree/main/Command%20Injection%20in%20Comfast%20CF-WR631AX%20V3%20%E2%80%…0★ · 2026-07-14