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CVE Record

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

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.

HighCVSS 8.1Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2026-0792 is a remote code execution flaw in ALGO 8180 IP Audio Alerter firmware version 5.5. A remote, unauthenticated attacker could target SIP INVITE handling and potentially take control of the device. Business urgency is high where these alerting devices are reachable from untrusted networks.

Executive priority

Prioritize remediation for any affected device reachable from untrusted networks. These devices may support safety or facility alerting, so compromise could affect operations. If isolated to trusted SIP infrastructure, risk is reduced but still warrants vendor guidance review and access control validation.

Technical view

The flaw is a stack-based buffer overflow in handling the SIP INVITE Alert-Info header. The advisory states user-supplied length is not properly validated before copying into a fixed-length stack buffer, enabling code execution in the device context. CVSS is 8.1, network exploitable, no privileges, no user interaction, high attack complexity.

Likely exposure

Exposure is likely limited to ALGO 8180 IP Audio Alerter devices running version 5.5, especially if SIP services are reachable from the internet, partner networks, or broad internal segments. Default affected status beyond the listed version is unknown in the provided sources.

Exploitation context

The sources do not report active exploitation, and this CVE is not listed as KEV in the provided bundle. Exploitation requires network access to the SIP service and is rated high complexity, but successful exploitation could provide full confidentiality, integrity, and availability impact on the device.

Researcher notes

Evidence is limited to the CVE record and ZDI advisory summary. No exploit code, patch version, or active exploitation evidence is provided in the source bundle. Validate exposure defensively through asset inventory, firmware checks, and network reachability rather than offensive testing.

Mitigation direction

  • Check ALGO or ZDI guidance for firmware updates or vendor-recommended mitigations.
  • Restrict SIP access to trusted call-control infrastructure only.
  • Block internet exposure to ALGO 8180 SIP services.
  • Segment alerting devices from general user and guest networks.
  • Monitor for unusual SIP INVITE traffic involving Alert-Info headers.

Validation and detection

  • Inventory ALGO 8180 IP Audio Alerter devices and firmware versions.
  • Confirm whether version 5.5 is present in the environment.
  • Identify networks that can reach the device SIP service.
  • Review firewall rules for unnecessary external or broad internal SIP access.
  • Check logs or network telemetry for abnormal SIP INVITE patterns.
Prepared
Confidence
high
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · low confidence lookup

CWE-121: Exact CWE lookup

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description · low confidence lookup

Execution 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.

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cve · low confidence lookup

CVE-2026-0792 mapping review

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Vulnerability profileCVE Program record
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

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
8.1CVSS 3.0HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H2.25.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

8.1High
CVSS 3.0 vector shape for CVE-2026-0792Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
ALGO8180 IP Audio Alerter5.5unknown
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-121 · source CWE mapping

Stack-based Buffer Overflow

Stack-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.