CVE-2025-59374KEV · OVERDUECWE-506

ASUS Live Update Embedded Malicious Code Vulnerability

Critical · published December 17, 2025

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 9.8. It is confirmed in active exploitation. It sits in the 67.9th percentile for exploit probability.

290
days past CISA
deadline
CVSS v3.1
9.8
EPSS
1%
Percentile
67.9
In the wild
Confirmed
What it is

🚨 A supply chain compromise has left certain ASUS Live Update clients delivered with unauthorized modifications—what a twist! 🔥 Think of it like receiving a pizza with a surprise ingredient you never ordered—except this topping could cause your device to act unpredictably. Just like a mischievous chef who tweaks your order, attackers can introduce sneaky changes that throw everything off. The ramifications are absolutely devastating! If your device meets the specific targeting conditions and has one of these compromised clients, it could perform unintended actions, leaving your data vulnerable and your device potentially compromised. This isn’t just a minor hiccup; it’s a critical breach just waiting to happen!

Put simply

Think of it like receiving a pizza with a surprise ingredient you never ordered—except this topping could cause your device to act unpredictably. Just like a mischievous chef who tweaks your order, attackers can introduce sneaky changes that throw everything off. These unauthorized modifications in the ASUS Live Update client can enable attackers to exploit devices that are running vulnerable, unsupported versions by executing unintended commands. This happens due to the alterations made during the supply chain process, allowing control over the device in certain conditions.

What to do

The ramifications are absolutely devastating! If your device meets the specific targeting conditions and has one of these compromised clients, it could perform unintended actions, leaving your data vulnerable and your device potentially compromised. This isn’t just a minor hiccup; it’s a critical breach just waiting to happen! If you're still using any version of the ASUS Live Update client, it's time to act! Immediately uninstall the affected version and ensure you're using a device that is still supported and updated. Given that this client has reached its End-of-Support, avoid using any outdated software and proactively check for updates from trusted sources. 🔒 You've got this! By taking these steps, you're not just fixing the problem, you're helping keep the internet safer for everyone! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01197 · 67.9th percentile
Weakness
CWE-506 · Embedded Malicious Code
Published
2025-12-17T10:16Z
KEV added
2025-12-17 · due 2026-01-07
Affected products (1)
ProductVersionsFixed in
asus/live_update< 3.6.83.6.8
References (2)
EPSS history
Timeline
  • 17 DEC 04:27Z
    "UNSUPPORTED WHEN ASSIGNED" Certain versions of the ASUS Live Update client were distributed with unauthorized modifications introduced through a supply chain…
    cvelistv5
  • 17 DEC 00:00Z
    Added to CISA KEV — remediate by Jan 7
    kev