basicsecurity.net
Proof, not just disclosure.
Threats / ASUS / CVE-2025-59374
CVE-2025-59374 · EUVD no mirror located · GCVE no mirror located Verified 2026-06-22

ASUS Live Update vulnerability

ASUS Live Update was compromised through supply chain manipulation, distributing modified builds containing malicious code that could trigger unintended actions on targeted devices.

Verdict

Today item — known-exploited.

A supply chain compromise of ASUS Live Update introduced embedded malicious code affecting targeted systems. The vulnerability exploits trust in legitimate software distribution channels to deliver unauthorized modifications.

CISA KEV Yes · 2025-12-173EPSS 0.01084 (verify live)4
01

Is it exploitable?

— the evidence, ranked above the score
Reported exploitation
4 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-12-17).
CISA KEV ↗Confirmed
Probability (EPSS)
EPSS 0.01084 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: ASUS, Live Update. Confirm exact fixed builds in the vendor advisory.
NVD ↗Reported
Weakness (CWE)
Mapped to CWE-506 CWE-506.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
NVD ↗Reported
02

Who’s exploiting it?

— attribution turns risk into urgency
Attribution not established

No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.

03

Why it matters

— the attack path, told twice: adversary, then board
1

Front door — unauthenticated access narrative 1

Attacker
I compromise the ASUS build or distribution infrastructure to inject malicious code into Live Update binaries.
Business
Customer trust in ASUS software integrity is undermined; brand reputation suffers from security incident.
2

Keys to the kingdom — privilege/identity takeover narrative 2

Attacker
I distribute the modified Live Update builds through legitimate channels, reaching devices that automatically update.
Business
Widespread deployment of compromised software across customer base increases incident scope and remediation costs.
3

Lateral reach — past segmentation narrative 3

Attacker
I trigger unintended actions on devices matching my targeting conditions when they execute the malicious code.
Business
Customer devices experience unauthorized behavior; support burden and potential data exposure create liability.
04

What to do

— defensible action
  • Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05

Coverage & confidence

— what we know, and what we don’t

Established (cited)

  • KEV listing (CISA)
  • EPSS probability (FIRST)
  • 4 reported-exploitation source(s)
  • CWE weakness mapping (NVD)
  • Catalogued by ASUS (CNA)
  • Coverage gaps — stated, not hidden

  • No EUVD / GCVE mirror in feed — single-authority dependency for the identifier.
  • EPSS & exposure are time-varying; verify live at the source.
  • Threat-actor attribution not established from feed data — absence of a name is not absence of compromise.
  • No finder/reporter credit recorded in the public CVE entry — the work behind this find is unattributed.
  • Disclosure & credit2
    Catalogued by ASUSCNA
    Credited with finding itNo finder named in the public CVE record — the work behind this find is unattributed.