Security readout for executives and security teams
Plain-English summary
CVE-2018-0405 is a directory path traversal flaw in Cisco small-business router web framework code. A remote unauthenticated attacker could submit crafted filename parameters to reach unintended file locations. The sources do not provide CVSS, confirmed impact details, exploit activity, or a named fix.
Executive priority
Prioritize identification and management-interface exposure reduction. Business urgency is moderate because the flaw is unauthenticated and remote on perimeter hardware, but evidence is incomplete on exploitation, severity score, and fixed versions.
Technical view
The issue is CWE-22 caused by improper sanitization of user-controlled HTTP request parameters describing filenames. Cisco RV180W is listed as affected, while the description also names RV220W. Successful exploitation could allow directory traversal against targeted device file paths, but the provided sources do not specify readable files or follow-on impact.
Likely exposure
Exposure is most likely where affected Cisco RV180W router management web interfaces are reachable by untrusted networks. The source description also references RV220W, but structured affected data only lists RV180W, so asset validation should distinguish both models.
Exploitation context
The bundle does not show CISA KEV listing, active exploitation, public exploit availability, CVSS scoring, or detailed attacker outcomes. Treat this as remotely reachable perimeter-device risk, not as confirmed actively exploited risk.
Researcher notes
Key gaps are CVSS, exact affected version ranges, patch status, and concrete impact. Use Cisco CSCvk28019 and CVE records as starting points, and avoid assuming data disclosure or code execution without vendor confirmation.
Mitigation direction
- Review Cisco bug CSCvk28019 for fixed firmware, workarounds, or support status.
- Restrict router web management access to trusted administrative networks only.
- Remove internet exposure for affected management interfaces where possible.
- Prioritize firmware update or device replacement if Cisco guidance requires it.
- Monitor perimeter device logs for suspicious file path access attempts.
Validation and detection
- Inventory Cisco RV180W devices and separately check for RV220W devices.
- Confirm firmware versions and compare them with current Cisco guidance.
- Verify management interfaces are not reachable from the public internet.
- Review access logs for anomalous filename or path requests.
- Document compensating controls for devices that 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.
CWE-22: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection 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 lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-0405 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvk28019CVE 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 Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.