D-Link DIR-600L formSysCmd command injection

published 2025-05-06 last yr. modified 2026-06-17 4mo ago also EUVD-2025-13572

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 4.2%; EPSS 4.2% chance of exploitation in 30 days, percentile 91%
public exploits: 0; none known

A vulnerability classified as critical has been found in D-Link DIR-600L up to 2.07B01. This affects the function formSysCmd. The manipulation of the argument host leads to command injection. It is possible to initiate the attack remotely. This vulnerability only affects products that are no longer supported by the maintainer.

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CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: last yr. (2025-05-06)

Exploit prediction

4.22% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	4.0	8.7	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	3.0	8.8	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	2.0	9.0	AV:N/AC:L/Au:S/C:C/I:C/A:C
CNA	4.0	8.7	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

D-Link DIR-600L

Classification

Weakness

CWE-77 Improper Neutralization of Special Elements used in a Command
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

References

vuldb.com /?id.307467
vdb-entry, technical-description, third-party-advisory
vuldb.com /?ctiid.307467
signature, permissions-required
vuldb.com /?submit.558302
third-party-advisory, vdb-entry
github.com /jylsec/vuldb/blob/main/D-Link/dlink_dir600l/Command_injection-formSysCmd-sysCmd/README.md
related, broken-link, third-party-advisory
dlink.com /
product

Sources

CVE List CVE-2025-4349
NVD CVE-2025-4349

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