How severe is CVE-2026-36356?

CVE-2026-36356 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-36356 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-36356?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-36356 have an EU (EUVD) identifier?

Yes. CVE-2026-36356 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-27327.

When was CVE-2026-36356 published?

CVE-2026-36356 was published on 2026-05-05 and last updated on 2026-07-05.

CVE-2026-36356

CVE-2026-36356 is a critical-severity vulnerability with a CVSS 3.x base score of 9.1. Its EPSS exploit-prediction score of 14% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 14% (96th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-27327
Weakness: CWE-78
Published: 2026-05-05
Last modified: 2026-07-05

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.

Frequently asked questions

What is CVE-2026-36356?: 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.
How severe is CVE-2026-36356?: CVE-2026-36356 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-36356 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-36356?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-36356 have an EU (EUVD) identifier?: Yes. CVE-2026-36356 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-27327.
When was CVE-2026-36356 published?: CVE-2026-36356 was published on 2026-05-05 and last updated on 2026-07-05.

References

https://github.com/totekuh/CVE-2026-36356

EU advisories (EUVD)

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