Vulnerability · Published Jan 23, 2026 · Assigned by zdi
CVE-2026-0794ALGO 8180 IP Audio Alerter SIP Use-After-Free Remote Code Execution Vulnerability
High 8.1
In plain English
A high-severity use-after-free in 8180 IP Audio Alerter from ALGO. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ALGO | 8180 IP Audio Alerter | 5.5 |
Weakness: CWE-416 · Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- ZDI-26-016 x_research-advisory