Security readout for executives and security teams
Plain-English summary
CVE-2026-0794 affects ALGO 8180 IP Audio Alerter devices, version 5.5. A remote, unauthenticated attacker could potentially run code on the device through SIP call handling. The issue is high severity, but the provided sources do not report active exploitation or name a specific patch.
Executive priority
Treat as a high-priority infrastructure exposure if these devices support safety, paging, or alerting workflows. Prioritize confirming whether version 5.5 is deployed and whether SIP access is restricted. Urgency is lower if devices are isolated and only reachable from trusted voice infrastructure.
Technical view
The flaw is a use-after-free condition, CWE-416, in SIP call handling. The device fails to validate that an object exists before operating on it. ZDI states this can allow arbitrary code execution in the device context. CVSS is 8.1, with network attack vector, no privileges, and high complexity.
Likely exposure
Exposure is most relevant where ALGO 8180 IP Audio Alerter version 5.5 can receive SIP traffic from untrusted networks or external VoIP paths. Internet exposure, poorly segmented voice networks, or broad internal SIP reachability would increase business risk.
Exploitation context
Authentication is not required, and user interaction is not required. However, the CVSS vector rates attack complexity as high. The provided sources do not state that exploitation is occurring in the wild, and the CVE is not listed as KEV in the supplied data.
Researcher notes
The public details identify SIP call handling and CWE-416 but do not provide patch information, proof-of-concept status, or exploit telemetry. Avoid assuming broader ALGO product impact beyond the listed 8180 IP Audio Alerter version 5.5 unless vendor advisories expand scope.
Mitigation direction
- Check ALGO vendor guidance for fixed firmware or official mitigations.
- Restrict SIP access to trusted call servers and management networks.
- Remove affected devices from direct internet exposure.
- Use network segmentation to limit access to audio alerting devices.
- Prioritize replacement or update planning for version 5.5 deployments.
Validation and detection
- Inventory ALGO 8180 IP Audio Alerter devices.
- Confirm whether any devices run firmware version 5.5.
- Map which networks can send SIP traffic to the devices.
- Check perimeter exposure for reachable SIP services.
- Review vendor and ZDI advisories for updated remediation details.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-416: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-0794 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.1 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H2.25.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
8.1HighVector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- ZDI-26-016CVE reference · x_research-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Use After Free
Use After Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.