CVE-2026-79389 Security feature bypass in n/a
Attackers can bypass MQTT security checks by replaying or modifying messages, allowing execution of arbitrary commands on the device.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-79389?
CVE-2026-79389 is a high-severity vulnerability in n/a, published on 4 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-347
Which versions are affected by CVE-2026-79389?
How do I fix CVE-2026-79389?
No fix has been published for CVE-2026-79389 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-79389 being exploited?
There is no known exploitation of CVE-2026-79389 in the wild and no public exploit code.
Sources
Also known as GHSA-wgx6-hxg7-3c47.