VDB-375934 · CVE-2026-4767 · GCVE-0-2026-4767

TR7 Cyber Defense WAF-ASP prior 1.4.0.117 missing authentication

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.4	$0-$5k	0.69

Summaryinfo

A vulnerability was found in TR7 Cyber Defense WAF-ASP. It has been declared as critical. This impacts an unknown function. Executing a manipulation can lead to missing authentication. The identification of this vulnerability is CVE-2026-4767. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in TR7 Cyber Defense WAF-ASP and classified as critical. This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a missing authentication vulnerability. The CWE definition for the vulnerability is CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Missing authentication for critical function vulnerability in TR7 Cyber Defense Inc. WAF-ASP allows Authentication Abuse. This issue affects WAF-ASP: from v1.0.324.900 before v1.4.0.117.

The weakness was shared by Serhat Yapici. The advisory is available at siberguvenlik.gov.tr. This vulnerability was named CVE-2026-4767 since 03/24/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

Upgrading to version 1.4.0.117 eliminates this vulnerability.

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Productinfo

Vendor

TR7 Cyber Defense

Name

WAF-ASP

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (TR-CERT): 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: WAF-ASP 1.4.0.117

Timelineinfo

03/24/2026 CVE reserved
07/02/2026 +99 days Advisory disclosed
07/02/2026 +0 days VulDB entry created
07/02/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: siberguvenlik.gov.tr
Researcher: Serhat Yapici
Status: Confirmed

CVE: CVE-2026-4767 (🔒)
GCVE (CVE): GCVE-0-2026-4767
GCVE (VulDB): GCVE-100-375934

Entryinfo

Created: 07/02/2026 16:57
Changes: 07/02/2026 16:57 (63)
Complete: 🔍
Cache ID: 216::103