PT-2026-2019 · Algo+1 · Algo 8180 Ip Audio Alerter+1

Vera Mensa · Published 2026-01-09 · Updated 2026-02-18 · CVE-2026-0791

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions ALGO 8180 IP Audio Alerter (affected versions not specified)

Description A flaw exists in the handling of the Replaces header within SIP INVITE requests. The issue stems from insufficient validation of the length of user-supplied data before copying it into a fixed-length stack-based buffer. This allows a remote attacker to execute arbitrary code on affected devices without authentication. The vulnerability is related to the SIP INVITE request and the Replaces header.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Stack Overflow

Memory Corruption

Weakness Enumeration

CWE-121

CWE-787

Related Identifiers

CVE-2026-0791

ZDI-26-013

Affected Products

Algo 8180 Ip Audio Alerter

8180 Ip Audio Alerter Firmware

References · 6

• https://osv.dev/vulnerability/CVE-2026-0791 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-26-013 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-0791 · Security Note
• https://twitter.com/CVEnew/status/2014576972362613015 · Twitter Post
• https://t.me/cveNotify/152395 · Telegram Post
• https://t.me/CVEtracker/42794 · Telegram Post