Trueview T18161 S 6.0.23.4 MQTT Command Processing authentication replay

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 (≈)
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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.
7.1$0-$5k2.05

Summaryinfo

A vulnerability was found in Trueview T18161 S 6.0.23.4 and classified as critical. This issue affects some unknown processing of the component MQTT Command Processing. Executing a manipulation can lead to authentication replay. This vulnerability is tracked as CVE-2026-79389. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in Trueview T18161 S 6.0.23.4 and classified as critical. This vulnerability affects an unknown code of the component MQTT Command Processing. The manipulation with an unknown input leads to a authentication replay vulnerability. The CWE definition for the vulnerability is CWE-294. A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Trueview T18161 S 6.0.23.4 contains an improper verification in MQTT command processing. An attacker with network access can replay or modify captured MQTT messages, including security-related nonce, timestamp, and signature fields, and the device accepts the modified messages and executes the associated commands.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-79389 since 08/25/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/04/2026). The MITRE ATT&CK project declares the attack technique as T1040.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Authentication replay
CWE: CWE-294 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

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

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/25/2026 CVE reserved
09/04/2026 +10 days Advisory disclosed
09/04/2026 +0 days VulDB entry created
09/04/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2026-79389 (🔒)
GCVE (CVE): GCVE-0-2026-79389
GCVE (VulDB): GCVE-100-399172

Entryinfo

Created: 09/04/2026 22:18
Changes: 09/04/2026 22:18 (53)
Complete: 🔍
Cache ID: 216::103

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