VulnRadar

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Page generated: 08 Nov 2026, 07:20 UTC

CVE-2021-32030

Read full description

The administrator application on ASUS GT-AC2900 devices before 3.0.0.4.386.42643 and Lyra Mini before 3.0.0.4_384_46630 allows authentication bypass when processing remote input from an unauthenticated user, leading to unauthorized access to the administrator interface. This relates to handle_request in router/httpd/httpd.c and auth_check in web_hook.o. An attacker-supplied value of '\0' matches the device's default value of '\0' in some situations. Note: All versions of Lyra Mini and earlier which are unsupported (End-of-Life, EOL) are also affected by this vulnerability, Consumers can mitigate this vulnerability by disabling the remote access features from WAN.

CVSS 9.8 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE

0.0/10

REALITY · THREAT PRIORITY

9.0/10

General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?

Recorded exploitation baseline: +7.00
Technical severity: CVSS 9.8: +1.47
Fresh EPSS: 99.39%: +0.50

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 6 documents and public datasets.

Hype components

Headline sample (25%)

0/100

Press, 30 days (60%)

0/100

Grounded branding (15%)

0/100

HYPE TOTAL0/100

Sources and documents

BleepingComputer

Press · 14 Nov 2025, 08:00 · ASUS warns of critical auth bypass flaw in DSL series routers - BleepingComputer

BleepingComputer

Press · 03 Jun 2025, 07:00 · CISA warns of ConnectWise ScreenConnect bug exploited in attacks - BleepingComputer

The Hacker News

Press · 30 May 2025, 07:00 · ConnectWise Hit by Cyberattack; Nation-State Actor Suspected in Targeted Breach - The Hacker News

SC Media

Press · 28 May 2025, 07:00 · ASUS router backdoors affect 9K devices, persist after firmware updates - SC Media

Press · 28 May 2025, 07:00 · Stealthy Backdoor Campaign Targeting ASUS Routers - LinkedIn

See all 6 source documents

BleepingComputer

Press · 28 May 2025, 07:00 · Botnet hacks 9,000+ ASUS routers to add persistent SSH backdoor - BleepingComputer

Score evolution

● Hype ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 9.0 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

Public exploit entries / repo candidates

Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence: Exploitation recorded
Priority basis: Recorded exploitation; CVSS 9.8; EPSS 99.4%
Attention, last 30 days: 0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential: network access, no prior privileges, no user interaction.
Observed activity: Exploitation recorded in CISA KEV.
Known scale: Not quantified.
Evidence confidence basis: Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:58:26.907878+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline

Published

06 May 2021, 14:54

First press mention

28 May 2025, 07:00

Added to the CISA KEV catalog

02 Jun 2025, 00:00

Latest press mention

14 Nov 2025, 08:00

Score calculated

05 Nov 2026, 13:58