D-Link DIR-820 Router OS Command Injection Vulnerability
OS Command injection vulnerability in D-Link DIR820LA1_FW105B03 allows attackers to escalate privileges to root via a crafted payload with the ping_addr parameter to ping.ccp.
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)30 Sept 2024
- Exploited in EUVD (ENISA)30 Sept 2024
- Used by ransomwareno
- EPSS above 10 %97.9%
- No account, over the networkyes
What to do
Fix
Apply the vendor’s fix as soon as it is available.
CISA guidance: The impacted product is end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue utilization of the product.
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
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: 97.9%
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