ALGO 8180 IP Audio Alerter SIP INVITE stack-based overflow

Summaryinfo

A vulnerability was found in ALGO 8180 IP Audio Alerter and classified as critical. This impacts an unknown function of the component SIP INVITE Handler. Such manipulation leads to stack-based overflow. This vulnerability is documented as CVE-2026-0791. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in ALGO 8180 IP Audio Alerter (the affected version is unknown). It has been rated as critical. Affected by this issue is an unknown code of the component SIP INVITE Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. CVE summarizes:

ALGO 8180 IP Audio Alerter SIP INVITE Replaces 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 Replaces 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-28300.

The advisory is shared for download at zerodayinitiative.com. This vulnerability is handled as CVE-2026-0791. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for 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 02/18/2026).

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• ALGO

Name

• 8180 IP Audio Alerter

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