What is CVE-2026-0794?

CVE-2026-0794 is a critical-severity vulnerability in Algo 8180 Ip Audio Alerter, classified under Use After Free. CVSS score: 9.8/10. Published 2026-01-23.

How severe is CVE-2026-0794?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Use After Free in Algo 8180 Ip Audio Alerter

CVE-2026-0794

ALGO 8180 IP Audio Alerter SIP Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of ALGO 8180 IP Audio Alerter devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of SIP calls. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-28303.

Vulnerability class: Use-After-Free

EPSS: 0.006 (46.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Algo 8180 Ip Audio Alerter — versions 5.5
Algosolutions 8180_ip_audio_alerter
Algosolutions 8180_ip_audio_alerter_firmware — versions 5.5

Weakness classification (CWE)

CWE-416 — Use After Free

References

zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2026-0794?: CVE-2026-0794 is a critical-severity vulnerability in Algo 8180 Ip Audio Alerter, classified under Use After Free. CVSS score: 9.8/10. Published 2026-01-23.
How severe is CVE-2026-0794?: Critical severity. CVSS v3 base score is 9.8 out of 10.