CVE-2025-2865

Victim-browser script execution via permissive cross-domain policy

Published Mar 28, 2025 · Updated Mar 28, 2025

Cross-site scripting in Arteche saTECH BCU firmware 2.1.3 allows local users to run attacker-hosted code in a victim's browser. The web server's permissive cross-domain policy accepts untrusted domains, so a crafted request makes the browser interpret code and resources from an attacker-controlled site. Low-privileged local access and active victim interaction are required; the result is disclosure or modification of data available to the browser context.

CVSS severity2.4
Low
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in Arteche saTECH BCU firmware 2.1.3 allows local users to run attacker-hosted code in a victim's browser. The web server's permissive cross-domain policy accepts untrusted domains, so a crafted request makes the browser interpret code and resources from an attacker-controlled site. Low-privileged local access and active victim interaction are required; the result is disclosure or modification of data available to the browser context.

The record

CVE
CVE-2025-2865
Published
Mar 28, 2025
Updated
Mar 28, 2025
Vendor
Arteche
Product
saTECH BCU
Classifications
CWE-79, CWE-942, T1203
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 28, 2025CVE publishedPublication date reported by the CVE source.
  2. Mar 28, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2.1.3

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Arteche · saTECH BCUversion=2.1.3

Published CVSS scores

6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
2.4INCIBECVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-942Permissive Cross-domain Policy with Untrusted Domains
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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