HL330-DLS (for module MC7700): Insecure Storage of Sensitive Information
CVE-2025-53507 is a high-severity insecure storage of sensitive information vulnerability in HL330-DLS (for module MC7700) from iND, with a CVSS 4.0 base score of 7.1 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, but only if a user takes part, for example by opening a link or file. Affected HL330-DLS (for module MC7700) versions: firmware version 1.03 and earlier. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.3% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of HL330-DLS (for module MC7700) you run against the affected versions below, and install the vendor's latest release.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
- Because the attack needs a user to take part, warn users about unexpected links and files related to this product until it is patched.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| iND | HL330-DLS (for module MC7700) | firmware version 1.03 and earlier | Not stated |
| iND | HL330-DLS (for module MC7330) | firmware version 2.02t and earlier | Not stated |
| iND | HL320-DLS (for module MC7700) | firmware version 1.03 and earlier | Not stated |
| iND | HL320-DLS (for module MC7330) | firmware version 2.02t and earlier | Not stated |
| iND | LM-100 | firmware version 1.02 and earlier | Not stated |
| iND | LM-200 (for module AMP570) | firmware version 1.02 and earlier | Not stated |
| iND | LM-200 (for module EC25-J) | firmware version 1.05e and earlier | Not stated |
| iND | L2X Assist | firmware version 2.01 and earlier | Not stated |
| iND | L2X Assist-RS-A | firmware version 1.11 and earlier | Not stated |
| iND | L2X Assist-RS-E | firmware version 1.12 and earlier | Not stated |
| iND | F2L Assist-SS-A | firmware version 1.03 and earlier | Not stated |
| iND | F2L Assist-SS-E | firmware version 1.01 and earlier | Not stated |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Attack requirements
- NoneThe attack does not depend on a particular deployment or configuration.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- PassiveA user only needs to do something routine, such as viewing a page.
- Confidentiality (vulnerable system)
- HighSerious loss of confidentiality on the vulnerable system.
- Integrity (vulnerable system)
- NoneNo loss of integrity on the vulnerable system.
- Availability (vulnerable system)
- NoneNo loss of availability on the vulnerable system.
- Confidentiality (other systems)
- NoneNo loss of confidentiality on systems beyond the vulnerable one.
- Integrity (other systems)
- NoneNo loss of integrity on systems beyond the vulnerable one.
- Availability (other systems)
- NoneNo loss of availability on systems beyond the vulnerable one.
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. Scored by CNA (jpcert.or.jp).
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 4.0 | 7.1 | High | CNA (jpcert.or.jp) |
| CVSS 3.0 | 6.5 | Medium | CNA (jpcert.or.jp) |
Official 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].
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Insecure Storage of Sensitive Information
The product stores sensitive information without properly limiting read or write access by unauthorized actors.
More Insecure Storage of Sensitive Information vulnerabilities (CWE-922)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Other vulnerabilities in HL330-DLS (for module MC7700)
- 8.6 High severity
Recent Insecure Storage of Sensitive Information vulnerabilities
- 8.8 High severity
- 7.7 High severity
- 8.2 High severity
- 8.2 High severity
- 7.5 High severity
- 7.2 High severity
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