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CVE-2020-25079: D-Link DCS-2530L and DCS-2670L Command Injection Vulnerability

criticalknown exploitedCVE-2020-25079
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
D-Link DCS-2530L and DCS-2670L devices contains a command injection vulnerability in the cgi-bin/ddns_enc.cgi. The impacted products could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.

CSIRTS triage

vendor: D-Linkproduct: DCS-2530L and DCS-2670LRemote code execution
What
A command injection vulnerability exists in the cgi-bin/ddns_enc.cgi.
Who is affected
Users of D-Link DCS-2530L and DCS-2670L devices, which may be end-of-life or end-of-service.
Urgency
Remediation is urgent due to the critical nature of the vulnerability and confirmed exploitation.
Action
Discontinue use of the affected D-Link devices.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2025-08-05
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2020-25079

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2020-25079coverage & exploitation statusNVD · CVE.org

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