OS Command injection vulnerability in D-Link C1 2020-02-21.

published 2025-09-23 last yr. modified 2026-11-05 4d ago also EUVD-2025-30920

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.1%; EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits: 0; none known

OS Command injection vulnerability in D-Link C1 2020-02-21. The sub_47F028 function in jhttpd contains a command injection vulnerability via the HTTP parameter "time".

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CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: total
Assessed: last yr. (2025-09-24)

Exploit prediction

1.12% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

github.com https://github.com/glkfc/IoT-Vulnerability/blob/main/D-Link/Dlink_1.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Classification

Weakness

CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

github.com /glkfc/IoT-Vulnerability/blob/main/D-Link/Dlink_1.md
exploit, third-party-advisory
dlink.com /en/security-bulletin/
product

Sources

CVE List CVE-2025-57636
NVD CVE-2025-57636

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