Comparison Overview
CENTURY 21®

CENTURY 21®
International Headquarters, Madison, New Jersey, 07940, US
Last Update: 25/12/2025
More than 140,000 affiliated agents strong in 81 countries. Changing the real estate game for 50+ years, and counting. This is our time and #ThisIsOurCentury.

Keller Williams Realty, LLC
Suite 400, Austin, TX, US, 78746
Last Update: 18/09/2026
Austin, Texas-based Keller Williams, the world’s largest real estate franchise by agent count, has more than 1,100 offices and 176,000 agents. The franchise is also No. 1 in units and sales volume in the United States. Since 1983, the company has cultivated an agent-c...
Compliance Ranges Comparison

CENTURY 21®







Keller Williams Realty, LLC






Benchmark & Cyber Underwriting Signals
Incidents vs Real Estate Industry Avg (This Year)
No incidents recorded for CENTURY 21® in 2026.
Incidents vs Real Estate Industry Avg (This Year)
No incidents recorded for Keller Williams Realty, LLC in 2026.
Incident History - CENTURY 21® (X = Date, Y = Severity)
CENTURY 21® cyber incidents detection timeline including parent company and subsidiaries.
Incident History - Keller Williams Realty, LLC (X = Date, Y = Severity)
Keller Williams Realty, LLC cyber incidents detection timeline including parent company and subsidiaries.
Notable Incidents

CENTURY 21®

Keller Williams Realty, LLC
FAQ
Latest Global CVEs
Nginx Proxy Manager through 2.16.0 fails to restrict the advanced_config field to administrators, allowing non-admin users with manage permissions to inject arbitrary nginx directives. Attackers can inject malicious nginx configuration such as alias directives to serve arbitrary files or control routing for their assigned hosts.
- https://github.com/NginxProxyManager/nginx-proxy-manager
- https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/README.md#L36
- https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/backend/internal/user.js#L52-L62
- https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/backend/templates/proxy_host.conf#L28
- https://github.com/NginxProxyManager/nginx-proxy-manager/issues/5749
- https://github.com/NginxProxyManager/nginx-proxy-manager/pull/5908
- https://www.vulncheck.com/advisories/nginx-proxy-manager-through-2.16.0-improper-authorization-via-advanced-config
Nginx Proxy Manager through 2.16.0 lacks rate-limiting on authentication endpoints, allowing unauthenticated attackers to make unlimited password guesses against any account. Attackers can brute-force login credentials via POST /api/tokens and subsequently guess TOTP codes via POST /api/tokens/2fa to gain full session access and administrative control.
- https://github.com/NginxProxyManager/nginx-proxy-manager
- https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/backend/app.js#L15-L58
- https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/backend/internal/2fa.js#L196-L240
- https://github.com/NginxProxyManager/nginx-proxy-manager/blob/v2.16.0/backend/internal/token.js#L154-L182
- https://github.com/NginxProxyManager/nginx-proxy-manager/pull/5908
- https://www.vulncheck.com/advisories/nginx-proxy-manager-through-2.16.0-missing-brute-force-protection
httpdbg before 2.2.1 fails to validate URL schemes in recorded HTTP request URLs rendered as clickable links in the web interface. Attackers controlling traffic recorded by httpdbg can supply javascript: scheme URLs that execute malicious scripts in the application origin when clicked, allowing access to captured request and response data including headers and tokens.
- https://github.com/cle-b/httpdbg
- https://github.com/cle-b/httpdbg/blob/v2.2.0/httpdbg/hooks/recordhttp2.py#L88-L97
- https://github.com/cle-b/httpdbg/blob/v2.2.0/httpdbg/webapp/static/index.htm#L302
- https://github.com/cle-b/httpdbg/commit/121845b41c19ddaf30b51be0797bc2ff4847d8b3
- https://github.com/cle-b/httpdbg/issues/220
- https://github.com/cle-b/httpdbg/pull/222
- https://github.com/cle-b/httpdbg/releases/tag/v2.2.1
- https://www.vulncheck.com/advisories/httpdbg-before-2.2.1-stored-cross-site-scripting-via-javascript-url
Dozzle versions before 11.1.2 fail to sanitize container display names when building ZIP archive entry names in the log download endpoint. Attackers who can label containers can use path traversal sequences to write files outside the extraction directory when users download and extract logs.
- https://github.com/amir20/dozzle
- https://github.com/amir20/dozzle/blob/v11.1.1/internal/container/docker/client.go#L610-L614
- https://github.com/amir20/dozzle/blob/v11.1.1/internal/web/download.go#L141-L146
- https://github.com/amir20/dozzle/commit/bc07db73dd84ce2cb939b744e983a8cfdf29c644
- https://github.com/amir20/dozzle/pull/5242
- https://github.com/amir20/dozzle/releases/tag/v11.1.2
- https://www.vulncheck.com/advisories/dozzle-before-11.1.2-path-traversal-via-log-zip-download
A vulnerability has been found in Ziroom ZHOME A0101 1.0.1.0. This vulnerability affects unknown code of the file /api/ZRQos/set_online_client. The manipulation of the argument ip leads to command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.