CVE-2026-4767 -- CVSS 9.8 Vulnerability Briefing

CVE-2026-4767 | CVSS 9.8 (Critical) | Exploit: No known exploit

What Is It

CVE-2026-4767 is a missing authentication vulnerability affecting a critical function in TR7 Cyber Defense Inc.'s WAF-ASP web application firewall product, versions v1.0.324.900 through v1.4.0.117 (prior to the patched release v1.4.0.117).

Technical Detail

The flaw is classified as CWE-306 (Missing Authentication for Critical Function), meaning one or more sensitive functions within WAF-ASP can be accessed without any authentication challenge. An unauthenticated remote attacker can invoke these protected functions directly, bypassing the intended access controls entirely. Depending on which functions are exposed, exploitation could result in authentication abuse, administrative takeover, configuration manipulation, or disabling of WAF protections -- effectively neutralizing the security product itself.

Exploitation Status

No known exploit code has been publicly identified at this time, and this CVE is not currently listed in CISA's Known Exploited Vulnerabilities catalog. The exploit maturity is assessed as no known exploit. However, the nature of the vulnerability -- unauthenticated access to critical functions -- means that exploitation requires minimal technical sophistication once the exposed endpoints are identified, which lowers the practical barrier to abuse.

Who Is Targeting This

No specific threat actor attribution at this time. Neither confirmed nor reported threat actor activity has been associated with this vulnerability as of July 09, 2026.

What To Do

Organizations running WAF-ASP should prioritize upgrading to version v1.4.0.117 or later immediately, given the critical CVSS score of 9.8 and the unauthenticated nature of the flaw. If patching cannot be applied immediately, administrators should restrict network-level access to the WAF-ASP management interface using firewall rules or access control lists, limiting exposure to trusted IP ranges only. Detection efforts should focus on reviewing access logs for unexpected or unauthenticated requests to administrative or configuration endpoints within WAF-ASP. Given that this product is itself a security control, compromise could have downstream consequences for all traffic it is intended to protect, making remediation a high priority regardless of current exploitation status.