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VulnerabilityPublished

CVE-2026-20892: Micro Research MR-GM5L-S1 · Code Injection

Affects Micro Research MR-GM5L-S1Source CVE Database V5

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Not known to be exploited · CVSS 7.2 High.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.0 base score
7.2High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 46% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Mar 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Micro Research Ltd.MR-GM5L-S1Affected
  • =firmware versions prior to v2.01.04N1_02
Fixed in–
Micro Research Ltd.MR-GM5A-L1Affected
  • =firmware versions prior to v2.01.04N1_02
Fixed in–

AI-suggested

To mitigate CVE-2026-20892, organizations should immediately verify the firmware version of their MR-GM5L-S1 and MR-GM5A-L1 devices and upgrade to firmware version v2.01.04N1_02 or later as soon as the vendor releases the patch. Until patched, restrict administrative access to these devices using strong authentication mechanisms, such as multi-factor authentication and strict access control lists limiting admin access to trusted personnel and networks. Implement network segmentation to isolate these devices from general user networks and reduce the attack surface. Monitor device logs and network traffic for unusual command executions or administrative activities that could indicate exploitation attempts. Regularly audit administrative accounts and credentials to prevent unauthorized privilege escalation. Engage with Micro Research Ltd. support channels to obtain official patches and security advisories. Additionally, consider deploying intrusion detection systems tailored to detect anomalous behavior on these devices. Finally, maintain an incident response plan specific to device compromise scenarios to quickly contain and remediate potential breaches.

Description

Code injection vulnerability exists in MR-GM5L-S1 and MR-GM5A-L1, which may allow an attacker with administrative privileges to execute arbitrary commands.

References

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