Is CVE-2026-36356 being exploited in the wild?

It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Jun 21, 2026.

Is CVE-2026-36356 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2026-36356?

Public exploit code is available.

Is there a fix for CVE-2026-36356?

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

How urgently should CVE-2026-36356 be patched?

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

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On CISA KEVCritical

CVE-2026-36356OS Command Injection

The GoAhead web server on MeiG Smart FORGE_SLT711 devices (firmware MDM9607.LE.1.0-00110-STD.PROD-1) allows unauthenticated OS command injection via the /action/SetRemoteAccessCfg endpoint.

Published May 5, 2026 · Updated Jul 5, 2026

Key Facts

Patch immediately

CVE-2026-36356 is a critical-severity vulnerability (CVSS 9.1 v3.1).
It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Jun 21, 2026. Public exploit code is available.
EPSS estimates a 20% 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.

Scores

CVSS v3.1

9.1

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

EPSS (30-day exploit likelihood)

20%

Higher than 97.4% of all scored CVEs

Exploit maturity

Exploited (KEV)

ATLAS score

51/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Jun 21, 2026

47 days after publication

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Exploited (KEV)

Public exploit code

Proof-of-concept links

In-the-wild evidence

Reports of active use

Description

The GoAhead web server on MeiG Smart FORGE_SLT711 devices (firmware MDM9607.LE.1.0-00110-STD.PROD-1) allows unauthenticated OS command injection via the /action/SetRemoteAccessCfg endpoint.

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
CIRCL KEV	Jun 21, 2026	n/a	Not reported
Industry KEV feed	Jun 21, 2026	n/a	Not reported

Timeline

Publicly disclosed
May 5, 2026
Added to CIRCL KEV
Jun 21, 2026
Added to Industry KEV feed
Jun 21, 2026
Last updated
Jul 5, 2026

Weakness Type

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-306 Missing Authentication for Critical Function

References

9 more references in the full CVE brief

FAQ

Common Questions.

The GoAhead web server on MeiG Smart FORGE_SLT711 devices (firmware MDM9607.LE.1.0-00110-STD.PROD-1) allows unauthenticated OS command injection via the /action/SetRemoteAccessCfg endpoint.
It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Jun 21, 2026.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
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-2026-36356 On Your Attack Surface?

Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.