AEGLIX vulnerability intelligence
CVE-2019-17621
CRITICAL · CVSS 9.8 · Analyzed
Published: 2019-12-30 · Updated: 2026-06-17 · Source: NVD
Stored catalog record
Source record retrieved 2026-10-28T11:37:54.926477+00:00. Scheduled imports handle updates; this page does not assert that the provider was queried just now.
Vulnerability overview
The UPnP endpoint URL /gena.cgi in the D-Link DIR-859 Wi-Fi router 1.05 and 1.06B01 Beta01 allows an Unauthenticated remote attacker to execute system commands as root, by sending a specially crafted HTTP SUBSCRIBE request to the UPnP service when connecting to the local network.
Patch review priority
Known exploitation: prioritize review
- CISA KEV lists real-world exploitation.
FIRST EPSS: 90.61% · percentile 99.8 · score date 2026-10-27.
EPSS estimates probability of exploitation in the next 30 days. It does not measure your exposure or prove exploitation. The elevated threshold is 10%; CISA KEV takes precedence. About FIRST EPSS ↗
Severity and scoring
- CVSS score
- 9.8 · CRITICAL
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-78
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- D-Link · DIR-859 Router
- Added to catalog
- 2023-06-29
- Required action
- Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
- CISA remediation due date
- 2023-07-20
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:o:dlink:dir-859_firmware:*:*:*:*:*:*:*:*
Through (inclusive): 1.05b03
cpe:2.3:o:dlink:dir-859_firmware:1.06b01:beta1:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-822_firmware:*:*:*:*:*:*:*:*
Through (inclusive): 2.03b01
cpe:2.3:o:dlink:dir-822_firmware:*:*:*:*:*:*:*:*
Through (inclusive): 3.12b04
cpe:2.3:o:dlink:dir-823_firmware:*:*:*:*:*:*:*:*
Through (inclusive): 1.00b06
cpe:2.3:o:dlink:dir-823_firmware:1.00b06:beta:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-865l_firmware:*:*:*:*:*:*:*:*
Through (inclusive): 1.07b01
cpe:2.3:o:dlink:dir-868l_firmware:*:*:*:*:*:*:*:*
Through (inclusive): 1.12b04
cpe:2.3:o:dlink:dir-868l_firmware:*:*:*:*:*:*:*:*
Through (inclusive): 2.05b02
cpe:2.3:o:dlink:dir-869_firmware:*:*:*:*:*:*:*:*
Through (inclusive): 1.03b02
cpe:2.3:o:dlink:dir-869_firmware:1.03b02:beta02:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-880l_firmware:*:*:*:*:*:*:*:*
Through (inclusive): 1.08b04
cpe:2.3:o:dlink:dir-890l_firmware:*:*:*:*:*:*:*:*
Through (inclusive): 1.11b01
cpe:2.3:o:dlink:dir-890l_firmware:1.11b01:beta01:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-890r_firmware:*:*:*:*:*:*:*:*
Through (inclusive): 1.11b01
cpe:2.3:o:dlink:dir-890r_firmware:1.11b01:beta01:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-885l_firmware:*:*:*:*:*:*:*:*
Through (inclusive): 1.12b05
cpe:2.3:o:dlink:dir-885r_firmware:*:*:*:*:*:*:*:*
Through (inclusive): 1.12b05
cpe:2.3:o:dlink:dir-895l_firmware:*:*:*:*:*:*:*:*
Through (inclusive): 1.12b10
cpe:2.3:o:dlink:dir-895r_firmware:*:*:*:*:*:*:*:*
Through (inclusive): 1.12b10
cpe:2.3:o:dlink:dir-818lx_firmware:-:*:*:*:*:*:*:*
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- http://packetstormsecurity.com/files/156054/D-Link-DIR-859-Unauthenticated-Remote-Command-Execution.html
Exploit · Third Party Advisory · VDB Entry
- https://medium.com/%40s1kr10s/d-link-dir-859-rce-unautenticated-cve-2019-17621-en-d94b47a15104
Exploit · Third Party Advisory
- https://medium.com/%40s1kr10s/d-link-dir-859-rce-unautenticated-cve-2019-17621-es-fad716629ff9
Broken Link
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10146
Patch · Vendor Advisory
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10147
Patch · Vendor Advisory
- https://www.dlink.com/en/security-bulletin
Vendor Advisory
- https://www.ftc.gov/system/files/documents/cases/dlink_proposed_order_and_judgment_7-2-19.pdf
Third Party Advisory · US Government Resource
- http://packetstormsecurity.com/files/156054/D-Link-DIR-859-Unauthenticated-Remote-Command-Execution.html
Exploit · Third Party Advisory · VDB Entry
- https://medium.com/%40s1kr10s/d-link-dir-859-rce-unautenticated-cve-2019-17621-en-d94b47a15104
Exploit · Third Party Advisory
- https://medium.com/%40s1kr10s/d-link-dir-859-rce-unautenticated-cve-2019-17621-es-fad716629ff9
Broken Link
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10146
Patch · Vendor Advisory
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10147
Patch · Vendor Advisory
- https://www.dlink.com/en/security-bulletin
Vendor Advisory
- https://www.ftc.gov/system/files/documents/cases/dlink_proposed_order_and_judgment_7-2-19.pdf
Third Party Advisory · US Government Resource
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-17621
US Government Resource