Security readout for executives and security teams
Plain-English summary
Cisco SPA100 Series analog telephone adapters can let a logged-in attacker on an adjacent network run code with elevated privileges through the default-enabled web management interface. For businesses still using these devices for voice connectivity, compromise could affect confidentiality, integrity, and availability of telephony equipment.
Executive priority
Treat as high priority for legacy voice infrastructure. The attacker needs local adjacency and credentials, but a successful compromise can fully affect the device. Prioritize discovery, management-plane restriction, and vendor-guided remediation for exposed or business-critical adapters.
Technical view
The issue is improper validation of user-supplied input in the web-based management interface, mapped to CWE-119. Exploitation requires adjacent network access and valid low-privilege authentication, with no user interaction. CVSS v3.0 is 8.0 with high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely where Cisco SPA112 or related SPA100 Series ATAs remain deployed and their web management interface is reachable from local or adjacent networks. The interface is enabled by default, increasing the chance of reachable management surfaces.
Exploitation context
The provided sources do not show CISA KEV listing or confirmed active exploitation. The attack is not unauthenticated or internet-remote in the CVSS vector; it requires adjacent access and credentials, but successful exploitation can execute arbitrary code with elevated privileges.
Researcher notes
Evidence in the bundle names Cisco SPA100 Series ATAs and specifically Cisco SPA112. Patch versions are not included in the supplied data, so remediation should be anchored to the Cisco advisory rather than inferred. No source provided confirms active exploitation.
Mitigation direction
- Identify Cisco SPA112 and SPA100 Series ATA deployments.
- Review Cisco advisory for fixed software, workarounds, and support status.
- Restrict web management access to trusted administrative networks only.
- Use strong, unique management credentials and remove unnecessary accounts.
- Prioritize replacement if devices are unsupported or cannot be updated.
Validation and detection
- Inventory VoIP adapters and confirm model and firmware versions.
- Check whether web-based management is enabled and reachable.
- Verify management access is limited to approved network segments.
- Review logs for unexpected authenticated management activity.
- Compare device firmware and configuration against Cisco advisory guidance.
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-119: 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-2019-15250 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 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:A/AC:L/PR:L/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:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H2.15.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
8HighVector: CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- 20191016 Cisco SPA100 Series Analog Telephone Adapters Remote Code Execution VulnerabilitiesCVE reference · vendor-advisory, x_refsource_CISCO
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.
Improper Restriction of Operations within the Bounds of a Memory Buffer
Improper Restriction of Operations within the Bounds of a Memory Buffer represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.