Security readout for executives and security teams
Plain-English summary
NETGEAR R7800 routers running firmware earlier than 1.0.2.36 have a command injection vulnerability. The available scoring shows serious potential impact, but exploitation requires local access and high privileges, so this is not described as an unauthenticated internet attack in the supplied sources.
Executive priority
Treat this as a targeted remediation item, not an emergency internet-wide incident based on the supplied evidence. Prioritize updates where R7800 devices protect business networks or have many administrators, because successful exploitation could affect confidentiality, integrity, and availability.
Technical view
CVE-2017-18793 is command injection in NETGEAR R7800 firmware before 1.0.2.36. CVSS 3.0 is 6.7 with AV:L/AC:L/PR:H/UI:N/S:U and high confidentiality, integrity, and availability impact. The source bundle does not provide affected code paths, CWE mapping, exploit details, or workaround specifics.
Likely exposure
Exposure is likely limited to NETGEAR R7800 devices on firmware before 1.0.2.36, especially where local or administrative access to the device is possible. The supplied evidence does not establish broader product impact.
Exploitation context
CISA KEV is false in the bundle, and no cited source states active exploitation. The CVSS vector indicates exploitation needs local access and high privileges, with no user interaction required once those conditions exist.
Researcher notes
The public bundle is sparse: it names R7800 firmware before 1.0.2.36 and provides CVSS, but no endpoint, payload, CWE, or exploitability detail. Avoid expanding scope beyond NETGEAR R7800 unless confirmed by vendor material.
Mitigation direction
- Inventory NETGEAR R7800 devices and record firmware versions.
- Upgrade affected R7800 devices to firmware 1.0.2.36 or later.
- Restrict administrative and local access to trusted users only.
- Review NETGEAR advisory for any updated vendor guidance.
Validation and detection
- Confirm each R7800 reports firmware 1.0.2.36 or later.
- Check asset inventory for remaining R7800 devices below 1.0.2.36.
- Review administrative access paths for unnecessary local exposure.
- Document exceptions where firmware cannot be updated.
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.
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.
Open ATT&CK lookupCVE-2017-18793 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
- Medium
- CVSS
- 6.7 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AC:L/AV:L/A:H/C:H/I:H/PR:H/S:U/UI:N
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/AC:L/AV:L/A:H/C:H/I:H/PR:H/S:U/UI:N0.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
6.7MediumVector: CVSS:3.0/AC:L/AV:L/A:H/C:H/I:H/PR:H/S:U/UI:N
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.netgear.com/000049369/Security-Advisory-for-Command-Injection-Vulnerability-on-R7800-PSV-2017-0618CVE 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.