Reflected Cross-Site Scripting (XSS) vulnerability in saTECH BCU

published 2025-03-28 19 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-15094

cvss: 6.1; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 14%
public exploits: 0; none known

SaTECH BCU in its firmware version 2.1.3 allows an attacker to inject malicious code into the legitimate website owning the affected device, once the cookie is set. This attack only impacts the victim's browser (reflected XSS).

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 19 mo ago (2025-03-28)

Exploit prediction

0.23% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	2.0	CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:L/SI:L/SA:N
CNA	4.0	2.0	CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:L/SI:L/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
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

Arteche saTECH BCU

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

incibe.es /en/incibe-cert/notices/aviso-sci/multiple-vulnerabilities-arteches-satech-bcu
third-party-advisory

Sources

CVE List CVE-2025-2864
NVD CVE-2025-2864

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary