CVE-2026-0792 ALGO 8180 IP Audio Alerter SIP INVITE Alert-Info Stack-based Buffer Overflow Remote Code Execution Vulnerability

High 8.1 Published 23 Jan 2026 Updated 23 Jan 2026

Remote attackers can execute arbitrary code on ALGO 8180 IP Audio Alerter devices via a stack-based buffer overflow in SIP INVITE handling without authentication.

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-2026-0792?

CVE-2026-0792 is a high-severity memory corruption vulnerability in ALGO 8180 IP Audio Alerter, published on 23 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

ALGO 8180 IP Audio Alerter SIP INVITE Alert-Info Stack-based Buffer Overflow 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 the Alert-Info header of SIP INVITE requests. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-28301.

Weakness: CWE-787, CWE-121

Which versions are affected by CVE-2026-0792?

It affects 1 product.

Products include Algosolutions 8180 Ip Audio Alerter Firmware.

How do I fix CVE-2026-0792?

No fix has been published for CVE-2026-0792 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-0792 being exploited?

There is no known exploitation of CVE-2026-0792 in the wild and no public exploit code.

Sources

Also known as GHSA-6979-fg32-9gg4.