CVE-2019-17621 kev in the critical feed json
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 exe…
published 2019-12-30 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-7939
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Exploited
- added 2023-06-29
- epss
- 90.6%
- EPSS 90.6% chance of exploitation in 30 days, percentile 99.8%
- public exploits
- 1
- Metasploit
Summary
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 / fix
cisa required action Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
Timeline
- First public exploit (Metasploit exploit/linux/upnp/dlink_dir859_subscribe_exec)
- Published
- Added to CISA KEV
- CISA patch deadline
- CISA SSVC: exploitation active
Known exploited
- Added
- 3 y ago
- Patch by
- 2023-07-20 (3 y ago)
- Ransomware
- Not known
- Required action
- Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
- Vendor, product
- D-Link, DIR-859 Router
- CISA name
- D-Link DIR-859 Router Command Execution Vulnerability
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- yes
- Technical impact
- total
- Assessed
- 21 mo ago
Exploit prediction
90.61% chance of exploitation in the next 30 days, higher than 99.8% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Metasploit exploit/linux/upnp/dlink_dir859_subscribe_exec D-Link DIR-859 Unauthenticated Remote Command Execution metasploit exploit, excellent rank, 2019-12-24
- medium.com https://medium.com/%40s1kr10s/d-link-dir-859-rce-unautenticated-cve-2019-17621-en-d94b47a15104 referenced PoC, tagged "exploit" by a source, unverified
- packetstormsecurity.com http://packetstormsecurity.com/files/156054/D-Link-DIR-859-Unauthenticated-Remote-Command-Execution.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
supportannouncement.us.dlink.com
/announcement/publication.aspx?name=SAP10147
patch, vendor-advisory
-
supportannouncement.us.dlink.com
/announcement/publication.aspx?name=SAP10146
patch, vendor-advisory
-
medium.com
/%40s1kr10s/d-link-dir-859-rce-unautenticated-cve-2019-17621-en-d94b47a15104
exploit, third-party-advisory
-
packetstormsecurity.com
/files/156054/D-Link-DIR-859-Unauthenticated-Remote-Command-Execution.html
exploit, third-party-advisory, vdb-entry
-
dlink.com
/en/security-bulletin
vendor-advisory
-
ftc.gov
/system/files/documents/cases/dlink_proposed_order_and_judgment_7-2-19.pdf
third-party-advisory, us-government-resource
-
medium.com
/%40s1kr10s/d-link-dir-859-rce-unautenticated-cve-2019-17621-es-fad716629ff9
broken-link
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-17621
government-resource, us-government-resource
Sources
- CVE List CVE-2019-17621
- NVD CVE-2019-17621
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.