Security readout for executives and security teams
Plain-English summary
This CVE describes an unauthenticated reflected cross-site scripting issue in OpenWrt's uhttpd CGI request handling. A crafted URI could cause script content to be reflected to a user's browser. Business risk depends on whether vulnerable router or gateway web interfaces are reachable by users or untrusted networks.
Executive priority
Treat this as a moderate-priority edge-device hygiene issue. It is not marked as actively exploited in the provided sources, but exposed router administration surfaces can raise business risk quickly.
Technical view
cgi_handle_request in uhttpd in OpenWrt through 18.06.1 and LEDE through 17.01 is reported to reflect URI content into CGI responses, enabling unauthenticated reflected XSS. The source bundle provides no CVSS score, CWE mapping, patch details, or confirmed exploitation.
Likely exposure
Exposure is most likely on OpenWrt or LEDE devices running affected versions with uhttpd CGI functionality enabled, especially where the web interface is reachable from untrusted networks or users can be lured to crafted links.
Exploitation context
The CVE record indicates unauthenticated reflected XSS via the URI. The bundle does not show CISA KEV listing, active exploitation, public weaponization, or exploit maturity evidence, so active exploitation should not be assumed.
Researcher notes
Evidence is limited to the CVE description and OpenWrt bug reference. The record lacks CVSS, CWE, detailed affected CPEs, and explicit fix information. Avoid expanding scope beyond OpenWrt/LEDE uhttpd CGI handling without additional vendor confirmation.
Mitigation direction
- Identify OpenWrt through 18.06.1 and LEDE through 17.01 devices.
- Check OpenWrt vendor guidance and bug tracker status before selecting remediation.
- Prioritize upgrade or replacement of affected firmware where vendor-supported fixes exist.
- Restrict uhttpd administrative interfaces to trusted networks only.
- Disable unnecessary CGI exposure where operationally possible.
Validation and detection
- Inventory firmware versions and confirm whether uhttpd is present.
- Confirm whether CGI routes are enabled and reachable.
- Review access logs for unusual cgi-bin URI query activity.
- Check vendor bug details for fixed versions or package guidance.
- Validate remediation in a controlled environment without using production users.
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.
CVE-2018-19630 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://bugs.openwrt.org/index.php?do=details&task_id=1974CVE reference · x_refsource_MISC
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.