How severe is CVE-2025-2859?

CVE-2025-2859 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-2859 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-2859?

CVE-2025-2859 affects Arteche Satech Bcu Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-2859?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-2859 have an EU (EUVD) identifier?

Yes. CVE-2025-2859 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-8625.

When was CVE-2025-2859 published?

CVE-2025-2859 was published on 2025-03-28 and last updated on 2026-06-17.

CVE-2025-2859

CVE-2025-2859 is a critical-severity vulnerability in Arteche Satech Bcu Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 6.9
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-8625
Weakness: CWE-287
Affected product: Arteche Satech Bcu Firmware
Published: 2025-03-28
Last modified: 2026-06-17

Description

An attacker with network access, could capture traffic and obtain user cookies, allowing the attacker to steal the active user session and make changes to the device via web, depending on the privileges obtained by the user.

Frequently asked questions

What is CVE-2025-2859?: An attacker with network access, could capture traffic and obtain user cookies, allowing the attacker to steal the active user session and make changes to the device via web, depending on the privileges obtained by the user.
How severe is CVE-2025-2859?: CVE-2025-2859 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-2859 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-2859?: CVE-2025-2859 affects Arteche Satech Bcu Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-2859?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-2859 have an EU (EUVD) identifier?: Yes. CVE-2025-2859 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-8625.
When was CVE-2025-2859 published?: CVE-2025-2859 was published on 2025-03-28 and last updated on 2026-06-17.

References

https://www.incibe.es/en/incibe-cert/notices/aviso-sci/multiple-vulnerabilities-arteches-satech-bcu

Affected products (1)

cpe:2.3:o:arteche:satech_bcu_firmware:2.1.3:*:*:*:*:*:*:*

More vulnerabilities in Arteche Satech Bcu Firmware

CVE-2025-2858 — High (CVSS 8.8): Privilege escalation vulnerability in the saTECH BCU firmware version 2.1.3. An attacker with access to the CLI of the…
CVE-2025-2863 — High (CVSS 7.8): Cross-site request forgery (CSRF) vulnerability in the web application of saTECH BCU firmware version 2.1.3, which…
CVE-2025-2862 — High (CVSS 7.5): SaTECH BCU, in its firmware version 2.1.3, performs weak password encryption. This allows an attacker with access to…
CVE-2025-2861 — High (CVSS 7.5): SaTECH BCU in its firmware version 2.1.3 uses the HTTP protocol. The use of the HTTP protocol for web browsing has the…
CVE-2025-2865 — Medium (CVSS 6.1): SaTECH BCU, in its firmware version 2.1.3, could allow XSS attacks and other malicious resources to be stored on the…
CVE-2025-2864 — Medium (CVSS 6.1): SaTECH BCU in its firmware version 2.1.3 allows an attacker to inject malicious code into the legitimate website owning…

All CVEs affecting Arteche Satech Bcu Firmware →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →