cbcvebase.
CVE-2018-1145
published 2018-04-19

CVE-2018-1145: A remote unauthenticated user can overflow a stack buffer in the Belkin N750 using firmware version 1.10.22 by sending a crafted HTTP request to proxy.cgi.

PriorityP270critical9.8CVSS 3.0
AVNACLPRNUINSUCHIHAH
EPSS
24.87%
97.6th percentile
A remote unauthenticated user can overflow a stack buffer in the Belkin N750 using firmware version 1.10.22 by sending a crafted HTTP request to proxy.cgi.

Affected

2 ranges
VendorProductVersion rangeFixed in
belkinn750_db_wi-fi_dual-band_n+_gigabit_router——
belkinn750_firmware——

Detection & IOCsextracted from sources · hover to see the quote

path/proxy.cgi↗
  • →Look for crafted HTTP requests targeting proxy.cgi on Belkin N750 F9K1103 v1 devices running firmware 1.10.22; the request triggers a stack buffer overflow in the CGI handler and requires no authentication. ↗
  • →The Nessus Plugin ID 109059 (TRA-2018-08) can be used to detect vulnerable Belkin N750 F9K1103 v1 devices across all four related CVEs (CVE-2018-1143, CVE-2018-1144, CVE-2018-1145, CVE-2018-1146). ↗
  • ·No vendor patch is available; the router remains permanently vulnerable on firmware 1.10.22 with no fix released as of the disclosure date. ↗
  • ·Successful exploitation of related CVE-2018-1146 can enable an unauthenticated telnet service, leading to full admin compromise — defenders should monitor for unexpected telnet service activation on affected routers. ↗

CVSS provenance

nvdv3.09.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
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