saTECH BCU: Weak Encoding for Password
CVE-2025-2862 is a high-severity weak encoding for password vulnerability in saTECH BCU from Arteche, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected saTECH BCU versions: 2.1.3. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.21% 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 saTECH BCU 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.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Arteche | saTECH BCU | 2.1.3 | Not stated |
| Arteche | Satech Bcu Firmware | 2.1.3 | 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.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- NoneNothing can be modified.
- Availability
- NoneAvailability is not affected.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 4.0 | 6.9 | Medium | CNA (incibe.es) |
| CVSS 3.1 | 7.5 | High | NVD |
Official description
SaTECH BCU, in its firmware version 2.1.3, performs weak password encryption. This allows an attacker with access to the device's system or website to obtain the credentials, as the storage methods used are not strong enough in terms of encryption.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Weak Encoding for Password
The product uses a weak or trivial encoding for a password.
How developers prevent this class of flaw
- Passwords should be encrypted with keys that are at least 128 bits in length for adequate security.
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
Third-party and government advisories
Other vulnerabilities in saTECH BCU
- 7.8 High severity
- 7.5 High severity
- 9.8 Critical severity
- 8.8 High severity
Recent Weak Encoding for Password vulnerabilities
- 8.2 High severity
- 8.8 High severity
- 8.1 High severity
- 7.5 High severity
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