CVE-2026-0791ALGO 8180 IP Audio Alerter SIP INVITE Replaces Stack-based Buffer Overflow Remote Code Execution Vulnerability
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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.
- CVSS
- 8.1 HIGH (v3.0, CNA)CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-121
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- zdi
- NVD analysis
- Analyzed
- Record last updated
- Jan 23, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
ALGO 8180 IP Audio Alerter algo:8180_ip_audio_alerter (from the name) | 5.5 | CNA record |
algosolutions 8180_ip_audio_alerter_firmware algosolutions:8180_ip_audio_alerter_firmware | 5.5 | NVD |
References
- https://www.zerodayinitiative.com/advisories/ZDI-26-013/x-research-advisory, third-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.