Threats / ASUS / CVE-2021-32030
CVE-2021-32030
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
ASUS Routers vulnerability
ASUS routers contain an improper authentication vulnerability allowing unauthorized administrative access. Affected products may be end-of-life.
Verdict
Today item — known-exploited.
Unauthenticated attackers can bypass authentication controls to access router administrative interfaces, enabling full device compromise. High exploitation prevalence in the wild warrants immediate patching or device replacement.
01
Is it exploitable?
— the evidence, ranked above the scoreReported exploitation
885 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 2025-06-02).
Probability (EPSS)
EPSS 0.99351 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: ASUS, Routers. Confirm exact fixed builds in the vendor advisory.
Weakness (CWE)
Mapped to CWE-287 Improper Authentication — weakness family: Authentication.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution 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 board1
Front door — unauthenticated access narrative 1
Attacker
I probe the router's administrative interface for authentication weaknesses.
Business
Network perimeter security is compromised, exposing internal systems to lateral movement.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
I bypass authentication controls and gain administrative access without valid credentials.
Business
Attacker obtains full control of network gateway, enabling traffic interception and DNS hijacking.
3
Lateral reach — past segmentation narrative 3
Attacker
I modify router configurations, install backdoors, or redirect traffic to malicious servers.
Business
Customer data and credentials are exposed; brand reputation and customer trust are damaged.
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