VulnerabilityPublished 11 Mar 2026

CVE-2026-24448: Micro Research MR-GM5L-S1 · Use of Hard-coded Credentials

Affects Micro Research MR-GM5L-S1Source CVE Database V5

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Not known to be exploited · CVSS 9.8 Critical.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.0 base score

9.8Critical

How severe the flaw is on the 0–10 CVSS scale.

Contested

Critical score, yet low EPSS after six months

EPSS: 0.3% chance of exploitation in 30 days – higher than 32% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Network: The vulnerable component is bound to the network stack and the set of possible attackers extends beyond the other options listed, up to and including the entire Internet. Such a vulnerability is often termed 'remotely exploitable' and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: Low: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: None: The attacker is unauthorized prior to attack, and therefore does not require any access to settings or files to carry out an attack.
User Interaction: None: The vulnerable system can be exploited without any interaction from any user.
Scope: Unchanged: An exploited vulnerability can only affect resources managed by the same security authority. In this case, the vulnerable component and the impacted component are either the same, or both are managed by the same security authority.
Confidentiality: High: There is total loss of confidentiality, resulting in all resources within the impacted component being divulged to the attacker. Alternatively, access to only some restricted information is obtained, but the disclosed information presents a direct, serious impact.
Integrity: High: There is a total loss of integrity, or a complete loss of protection. For example, the attacker is able to modify any/all files protected by the impacted component. Alternatively, only some files can be modified, but malicious modification would present a direct, serious consequence to the impacted component.
Availability: High: There is total loss of availability, resulting in the attacker being able to fully deny access to resources in the impacted component; this loss is either sustained (while the attacker continues to deliver the attack) or persistent (the condition persists even after the attack has completed). Alternatively, the attacker has the ability to deny some availability, but the loss of availability presents a direct, serious consequence to the impacted component (e.g., the attacker cannot disrupt existing connections, but can prevent new connections; the attacker can repeatedly exploit a vulnerability that, in each instance of a successful attack, leaks a only small amount of memory, but after repeated exploitation causes a service to become completely unavailable).

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 11 Mar 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponized: A Metasploit exploit module or Exploit-DB entry exists (Metasploit scanner modules do not count), or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Affected software

Product	Affected	Fixed in
Micro Research Ltd.MR-GM5L-S1	Affected =firmware versions prior to v2.01.04N1_02	Fixed in–
Micro Research Ltd.MR-GM5A-L1	Affected =firmware versions prior to v2.01.04N1_02	Fixed in–

AI-suggested

To mitigate CVE-2026-24448, organizations should immediately identify all affected Micro Research Ltd. MR-GM5L-S1 and MR-GM5A-L1 devices running firmware versions prior to v2.01.04N1_02. The primary mitigation is to update the firmware to version v2.01.04N1_02 or later, where the hard-coded credentials issue is resolved. If firmware updates are not immediately available, implement network segmentation to isolate vulnerable devices from critical network segments and restrict access to trusted administrators only. Employ network-level access controls such as firewall rules and VPNs to limit exposure. Monitor device logs and network traffic for unusual administrative access attempts or anomalies. Change any default or known credentials where possible, even if hard-coded credentials remain, to reduce risk. Engage with Micro Research Ltd. support channels for official patches and guidance. Additionally, incorporate these devices into vulnerability management and incident response plans to ensure rapid detection and remediation of exploitation attempts. Regularly audit device configurations and access policies to maintain security hygiene.

Description

Use of hard-coded credentials issue exists in MR-GM5L-S1 and MR-GM5A-L1, which may allow an attacker to obtain administrative access.

Impact

The impact of CVE-2026-24448 is severe for organizations worldwide using the affected Micro Research Ltd. devices. Successful exploitation grants attackers full administrative control, enabling them to manipulate device settings, intercept or redirect network traffic, and potentially disrupt critical services. This can lead to data breaches, operational downtime, and loss of trust. In industrial or infrastructure contexts, compromised devices may affect safety systems or critical communications. The vulnerability's ease of exploitation without authentication or user interaction increases the risk of automated attacks and rapid spread. Organizations relying on these devices for network connectivity or control functions face heightened exposure to espionage, sabotage, or ransomware attacks. Additionally, attackers could leverage compromised devices as entry points for lateral movement within internal networks, escalating the overall security threat. The absence of known exploits in the wild currently provides a window for proactive defense, but the critical severity demands immediate attention to prevent future incidents.

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 11 Mar 2026, 05:44 UTC

Technical details

References

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