VulnerabilityPublished 29 Aug 2025

CVE-2025-53507: iND HL330-DLS (for module MC7700) · Insecure Storage of Sensitive Information

Affects iND HL330-DLS (for module MC7700)Source CVE Database V5

Not known to be exploited · CVSS 6.5 Medium.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 3.0 base score

6.5Medium

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

EPSS: 0.3% chance of exploitation in 30 days – higher than 23% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

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

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

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: Required: Successful exploitation of this vulnerability requires a user to take some action before the vulnerability can be exploited.
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: None: There is no loss of integrity within the impacted component.
Availability: None: There is no impact to availability within the impacted component.

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 29 Aug 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: 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 26 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.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, 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
iND Co.,Ltd HL330-DLS (for module MC7700)	Affected <=1.03	Fixed in–

AI-suggested

Organizations should immediately identify all deployed HL330-DLS devices with MC7700 modules running firmware version 1.03 or earlier. Until a vendor patch is available, mitigate risk by restricting network access to management interfaces of these devices, ideally isolating them on separate management VLANs or behind firewalls with strict access controls. Implement strong monitoring and logging to detect unusual access attempts or configuration changes. Educate users and administrators about the risk of social engineering attacks that could trigger the required user interaction for exploitation. Where possible, disable or limit remote management features to reduce exposure. Regularly check for firmware updates from iND Co.,Ltd and apply patches promptly once released. Additionally, consider deploying endpoint detection and response (EDR) tools to identify potential lateral movement or credential misuse stemming from this vulnerability. Conduct periodic security audits focusing on device configurations and credential storage practices to prevent similar issues.

Description

Multiple products provided by iND Co.,Ltd contain an insecure storage of sensitive information vulnerability. If exploited, configuration information, such as admin password, may be disclosed. As for the details of affected product names and versions, refer to the information under [Product Status].

Impact

For European organizations using the iND Co.,Ltd HL330-DLS devices with the MC7700 module, this vulnerability could lead to unauthorized disclosure of administrative credentials, potentially allowing attackers to gain control over network devices or infrastructure components. This could compromise the confidentiality of sensitive configuration data and enable further attacks such as network reconnaissance, configuration manipulation, or pivoting to other critical systems. Sectors relying on these devices for critical communications or industrial control may face operational risks if attackers leverage this vulnerability. The medium severity rating suggests a moderate risk, but the lack of required privileges and the network attack vector increase the likelihood of exploitation, especially in environments where user interaction can be socially engineered. European organizations with limited visibility or patch management for embedded firmware may be particularly vulnerable. The impact on confidentiality could also have regulatory implications under GDPR if personal or sensitive data is indirectly exposed through compromised devices.

References

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 29 Aug 2025, 04:33 UTC

Technical details

References

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