PT-2020-16487 · Edimax · Edimax Ip-Camera Ic-3116W+1

Published 2020-12-01 · Updated 2020-12-04 · CVE-2020-26762

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Edimax IP-Camera IC-3116W versions 3.06 through 3.07 Edimax IP-Camera IC-3140W version 3.07

Description A stack-based buffer-overflow exists in the Edimax IP-Camera, which allows an unauthenticated, unauthorized attacker to perform remote-code-execution due to a crafted GET-Request. The overflow occurs in the binary ipcam cgi due to a missing type check in the function doGetSysteminfo().

Recommendations For Edimax IP-Camera IC-3116W versions 3.06 through 3.07, update to version 3.08 to resolve the issue. For Edimax IP-Camera IC-3140W version 3.07, consider disabling the doGetSysteminfo() function as a temporary workaround until a patch is available. Restrict access to the ipcam cgi binary to minimize the risk of exploitation. Avoid using crafted GET-Requests to the affected API endpoint until the issue is resolved.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2020-26762

Affected Products

Edimax Ip-Camera Ic-3116W

Edimax Ip-Camera Ic-3140W

References · 5

• https://edimax.com/edimax/download/download/data/edimax/de/download/for_home/home_network_cameras/home_network_cameras_indoor_fixed/ic-3116w · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-26762 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-26762 · Security Note
• https://t.me/cvenotify/6379 · Telegram Post
• https://t.me/cibsecurity/16987 · Telegram Post