D-Link DIR-859 Router Command Execution Vulnerability
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…
Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.
Exploitation probability EPSS · FIRST
Exploitation signals 4 / 5
- KEV catalog (CISA)29 Jun 2023
- Exploited in EUVD (ENISA)29 Jun 2023
- Used by ransomwareno
- EPSS above 10 %90.6%
- No account, over the networkyes
What to do
Fix
Apply the vendor’s fix as soon as it is available.
CISA guidance: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
Meanwhile
Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.
Manufacturers (CRA)
Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained
Description ENISA EUVD
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.
Affected products
Open source packages OSV
Affected libraries according to OSV, with fixed versions.
Timeline
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Published
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Exploitation reported (ENISA)
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Added to the KEV catalog
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CISA remediation due date
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EPSS peak: 90.6%
References
Other exploited vulnerabilities from the same vendor
- CVE-2025-29635D-Link DIR-823X Command Injection Vulnerability7.3 · Background exploitation
- CVE-2022-37055D-Link Routers Buffer Overflow Vulnerability8.0 · Background exploitation
- CVE-2022-40799D-Link DNR-322L Download of Code Without Integrity Check Vulnerability6.3 · Background exploitation
- CVE-2020-25079D-Link DCS-2530L and DCS-2670L Command Injection Vulnerability6.9 · Background exploitation
- CVE-2020-25078D-Link DCS-2530L and DCS-2670L Devices Unspecified Vulnerability8.3 · Background exploitation
- CVE-2024-0769D-Link DIR-859 Router Path Traversal Vulnerability7.0 · Background exploitation