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 exec
Affects D-Link DIR-859 firmware v1.05 and v1.06B01 Beta01, reachable from the device's LAN side. CVSS rates it critical (9.8). Fixed in v1.07b03 beta.
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Listed in CISA KEV
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Actively exploited
- Fix
- Fixed in v1.07b03 beta
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
The D-Link DIR-859 Wi-Fi router firmware is affected, specifically its UPnP service. An unauthenticated attacker on the local network could send a specially crafted request to gain the ability to run system commands with root-level control of the device.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
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.
Timeline
- CVE published
- Added to CISA KEV
CISA has evidence of exploitation in the wild
- CISA remediation deadline
Due date for US federal agencies to patch
- Record last updated
- EPSS reached 10%
FIRST estimates at least a 10% chance of exploitation in the next 30 days
Affected versions
- n/a n/a
Version range not reported
References 7
dlink.com
supportannouncement.us.dlink.com
medium.com
packetstormsecurity.com
Questions about CVE-2019-17621
What does this mean?
The UPnP endpoint /gena.cgi on the D-Link DIR-859 router allows unauthenticated remote command execution on the device.Source: supportannouncement.us.dlink.com
Am I affected, and how do I check?
Firmware v1.05 and v1.06B01 Beta01 are listed as affected. The issue is reached over the device's LAN side, such as in-home connections. To check, compare the firmware version the device reports with these listed versions.Source: supportannouncement.us.dlink.com
What should I do about it?
Update the DIR-859 firmware to v1.07b03 beta, which is the Hotfix that fixes this issue.Source: supportannouncement.us.dlink.com
Is it being exploited?
Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2023-06-29, which means it has evidence of attacks. No public exploit code is tracked.Source: cisa.gov, cve.now feed data