Gt-Ac2900 Firmware vulnerabilitiesAnd the versions its exploited flaws hit.

Product1 known exploited2 versions
The short answer

Gt-Ac2900 Firmware is made by Asus. We track 1 published vulnerability in it, across 2 versions. 1 of them is on the list of flaws known to be exploited, the newest added on 2 June 2025. If you run Gt-Ac2900 Firmware, check your version against the exploited flaws below and patch those first.

Check your version

The most recent Gt-Ac2900 Firmware flaw added to the known-exploited list is CVE-2021-32030, on 2 June 2025. We keep watching the known-exploited list.

Versions

Which versions of Gt-Ac2900 Firmware do the exploited flaws hit?

Each exploited flaw lists the versions it affects, usually as ranges. "before 3.0.0.4.386.42643" means every version up to, but not including, 3.0.0.4.386.42643. Find your version, then patch.

  • CVE-2021-32030Exploited list, 2 Jun 2025

    ASUS Routers Improper Authentication Vulnerability

    before 3.0.0.4.386.42643
Known exploited

Which Gt-Ac2900 Firmware vulnerabilities are being exploited?

1 flaw is on the government list of vulnerabilities known to be exploited. These are the ones criminals are using now, so they go first, whatever their severity score says.

  1. 9.8
    CVE-2021-32030CriticalKnown exploited
    ASUS Routers Improper Authentication Vulnerability

    ASUS Lyra Mini and ASUS GT-AC2900 devices contain an improper authentication vulnerability that allows an attacker to gain unauthorized access to the administrative interface.

    Chance of use>99%Known exploited since2 Jun 2025
Exploit likelihood

Which Gt-Ac2900 Firmware flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.

50% or more10% to 49%Under 10%
  1. >99%
    CVE-2021-32030CriticalKnown exploited

    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...

    CVSS9.8Published6 May 2021
Precursor Intelligence

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We track 1 published vulnerability listed under the name Gt-Ac2900 Firmware, across 2 versions. The most recent Gt-Ac2900 Firmware flaw added to the known-exploited list is CVE-2021-32030, on 2 June 2025.

1 is on the list of flaws known to be exploited. The most recently added is CVE-2021-32030.

Each flaw names its own versions, usually as ranges. The newest, CVE-2021-32030, affects before 3.0.0.4.386.42643. The versions for every exploited flaw are listed on this page.

Create a Precursor Intelligence account and track Gt-Ac2900 Firmware. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.