CVE-2018-6832: Foscam c1 Firmware

High severity, CVSS 7.5. EPSS: 2.3% chance of exploitation in the next 30 days.

Stack-based buffer overflow in the getSWFlag function in Foscam Cameras C1 Lite V3, and C1 V3 with firmware 2.82.2.33 and earlier, FI9800P V3, FI9803P V4, FI9851P V3, and FI9853EP V2 2.84.2.33 and earlier, FI9816P V3, FI9821EP V2, FI9821P V3, FI9826P V3, and FI9831P V3 2.81.2.33 and earlier, C1, C1 V2, C1 Lite, and C1 Lite V2 2.52.2.47 and earlier, FI9800P, FI9800P V2, FI9803P V2, FI9803P V3, and FI9851P V2 2.54.2.47 and earlier, FI9815P, FI9815P V2, FI9816P, and FI9816P V2, 2.51.2.47 and earlier, R2 and R4 2.71.1.59 and earlier, C2 and FI9961EP 2.72.1.59 and earlier, FI9900EP, FI9900P, and FI9901EP 2.74.1.59 and earlier, FI9928P 2.74.1.58 and earlier, FI9803EP and FI9853EP 2.22.2.31 and earlier, FI9803P and FI9851P 2.24.2.31 and earlier, FI9821P V2, FI9826P V2, FI9831P V2, and FI9821EP 2.21.2.31 and earlier, FI9821W V2, FI9831W, FI9826W, FI9821P, FI9831P, and FI9826P 2.11.1.120 and earlier, FI9818W V2 2.13.2.120 and earlier, FI9805W, FI9804W, FI9804P, FI9805E, and FI9805P 2.14.1.120 and earlier, FI9828P, and FI9828W 2.13.1.120 and earlier, and FI9828P V2 2.11.1.133 and earlier allows remote attackers to cause a denial of service (crash and reboot), via the callbackJson parameter.

Affected products

• Foscam c1 Firmware: up to and including 2.82.2.33; up to and including 2.52.2.47
• Foscam c1 Lite Firmware: up to and including 2.82.2.33; up to and including 2.52.2.47
• Foscam c2 Firmware: up to and including 2.72.1.59
• Foscam FI9800P Firmware: up to and including 2.81.2.33; up to and including 2.54.2.47
• Foscam FI9803EP Firmware: up to and including 2.22.2.31
• Foscam FI9803P Firmware: up to and including 2.54.2.47; up to and including 2.24.2.31
• Foscam FI9804P Firmware: up to and including 2.14.1.120
• Foscam FI9804W Firmware: up to and including 2.14.1.120
• Foscam FI9805E Firmware: up to and including 2.14.1.120
• Foscam FI9805P Firmware: up to and including 2.14.1.120
• Foscam FI9805W Firmware: up to and including 2.14.1.120
• Foscam FI9815P Firmware: up to and including 2.51.2.47
• Foscam FI9816P Firmware: up to and including 2.51.2.47
• Foscam FI9818W Firmware: up to and including 2.13.2.120
• Foscam FI9821EP Firmware: up to and including 2.81.2.33; up to and including 2.21.2.31
• Foscam FI9821P Firmware: up to and including 2.81.2.33; up to and including 2.21.2.31; up to and including 2.11.1.120
• Foscam FI9821W Firmware: up to and including 2.11.1.120
• Foscam FI9826P Firmware: up to and including 2.81.2.33; up to and including 2.21.2.31; up to and including 2.11.1.120
• Foscam FI9826W Firmware: up to and including 2.11.1.120
• Foscam FI9828P Firmware: up to and including 2.13.1.120; up to and including 2.11.1.133
• Foscam FI9828W Firmware: up to and including 2.13.1.120
• Foscam FI9831P Firmware: up to and including 2.81.2.33; up to and including 2.21.2.31; up to and including 2.11.1.120
• Foscam FI9831W Firmware: up to and including 2.11.1.120
• Foscam FI9851P Firmware: up to and including 2.54.2.47; up to and including 2.24.2.31
• Foscam FI9853EP Firmware: up to and including 2.22.2.31
• and 7 more

Published 2018-07-09. Last modified 2026-06-17.