Which products and versions are affected by CVE-2020-9377?

Affected: Dir-610 Firmware (Dlink). The full list is in the CVE brief.

Is CVE-2020-9377 being exploited in the wild?

It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Nov 11, 2021.

Is CVE-2020-9377 in the CISA KEV catalog?

Yes. It was added on Mar 25, 2022 with a federal remediation due date of Apr 15, 2022.

Is there a public exploit for CVE-2020-9377?

Public exploit code is available.

Is there a fix for CVE-2020-9377?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2020-9377 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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Vulnerability Intelligence

CVE-2020-9377

HighExploitedPublic exploit

D-Link DIR-610 devices allow Remote Command Execution via the cmd parameter to command.php.

Published Jul 9, 2020 · Updated Nov 10, 2025

Key Facts

Patch immediately

CVE-2020-9377 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Dir-610 Firmware (Dlink).
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Nov 11, 2021. Public exploit code is available.
EPSS estimates a 21% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

8.8

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

21%

Higher than 97.5% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2020-9377 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

D-Link DIR-610 devices allow Remote Command Execution via the cmd parameter to command.php. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
CISA KEV	Mar 25, 2022	Apr 15, 2022	Not reported
Industry KEV feed	Nov 11, 2021	Apr 15, 2022	Not reported
CIRCL KEV	Mar 25, 2022	Apr 15, 2022	Not reported
ENISA EUVD	Mar 25, 2022	n/a	Not reported

Required action: The impacted product is end-of-life and should be disconnected if still in use.

Affected Products

1 affected entries in total

Product	Affected versions	Fixed in
Dir-610 FirmwareDlink	See advisory	n/a

Timeline

Publicly disclosed
Jul 9, 2020
Added to Industry KEV feed
Nov 11, 2021
Added to CISA KEV
Mar 25, 2022
Added to CIRCL KEV
Mar 25, 2022
Added to ENISA EUVD
Mar 25, 2022
Last updated
Nov 10, 2025

Weakness Type

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

References

advisoryhttps://www.dlink.com.br/produto/dir-610/
patchhttps://gist.github.com/GouveaHeitor/131557f9de7d571f118f59805df852dc
exploitVulnCheck exploitation report
exploitVulnCheck exploitation report
exploitVulnCheck exploitation report

9 more references in the full CVE brief

FAQ

Common Questions.

D-Link DIR-610 devices allow Remote Command Execution via the cmd parameter to command.php.
Affected: Dir-610 Firmware (Dlink). The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Nov 11, 2021.
Yes. It was added on Mar 25, 2022 with a federal remediation due date of Apr 15, 2022.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Is CVE-2020-9377 Running On Your Attack Surface?

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