Security readout for executives and security teams
Plain-English summary
CVE-2017-12078 is a command injection flaw in Synology Router Manager's EZ-Internet feature. An authenticated remote user with high privileges could execute operating system commands through the username parameter. This can affect confidentiality, integrity, and availability on vulnerable SRM deployments before version 1.1.6-6931.
Executive priority
Treat this as a high-priority legacy router management issue. It requires privileged access, but successful abuse could fully compromise the router. Prioritize any exposed or business-critical SRM devices and verify they are updated.
Technical view
The issue is classified as CWE-77 command injection. CVSS v3.0 is 7.2, with network access, low complexity, high privileges required, no user interaction, unchanged scope, and high impact across confidentiality, integrity, and availability. The affected product named in the sources is Synology Router Manager before 1.1.6-6931.
Likely exposure
Exposure is likely limited to Synology routers running SRM before 1.1.6-6931 where authenticated high-privilege users can reach EZ-Internet. Internet-exposed management interfaces would increase operational risk, but the provided sources do not list specific router models or deployment counts.
Exploitation context
The provided bundle does not show CISA KEV listing or cited evidence of active exploitation. The attack requires authenticated high privileges, which lowers opportunistic risk but remains serious for compromised admin accounts, malicious insiders, or environments with weak administrative controls.
Researcher notes
The source bundle provides the core CVE facts, CVSS vector, affected SRM version boundary, CWE, and Synology advisory reference. It does not provide exploit indicators, proof-of-concept status, affected hardware models, or detailed patch notes beyond the fixed-version boundary.
Mitigation direction
- Upgrade Synology Router Manager to 1.1.6-6931 or later.
- Review Synology advisory SA-17:79 for vendor-specific remediation guidance.
- Limit SRM administrative access to trusted administrators and trusted networks.
- Audit administrative accounts and remove unnecessary high-privilege access.
Validation and detection
- Inventory Synology routers and record their SRM versions.
- Flag any SRM deployment earlier than 1.1.6-6931 as vulnerable.
- Confirm whether EZ-Internet is reachable by remote authenticated administrators.
- Review administrative access logs for unusual activity around vulnerable systems.
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-77: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. 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-2017-12078 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
- 7.2 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:H/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:L/PR:H/UI:N/S:U/C:H/I:H/A:H1.25.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.2HighVector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.synology.com/en-global/support/security/Synology_SA_17_79CVE reference · x_refsource_CONFIRM
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 Neutralization of Special Elements used in a Command ('Command Injection')
Improper Neutralization of Special Elements used in a Command ('Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.