How severe is CVE-2023-46453?

CVE-2023-46453 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-46453 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-46453?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2023-46453 have an EU (EUVD) identifier?

Yes. CVE-2023-46453 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-50669.

When was CVE-2023-46453 published?

CVE-2023-46453 was published on 2026-05-08 and last updated on 2026-06-17.

CVE-2023-46453

CVE-2023-46453 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-50669
Weakness: CWE-89
Published: 2026-05-08
Last modified: 2026-06-17

Description

Certain GL.iNet devices with 4.x firmware allow authentication bypass (resulting in administrative control of the device) via a username that is both a valid SQL statement and a valid regular expression. For example, this affects version 4.3.7 on GL-MT3000 GL-AR300M GL-B1300 GL-AX1800 GL-AR750S GL-MT2500 GL-AXT1800 GL-X3000 and GL-SFT1200.

Frequently asked questions

What is CVE-2023-46453?: Certain GL.iNet devices with 4.x firmware allow authentication bypass (resulting in administrative control of the device) via a username that is both a valid SQL statement and a valid regular expression. For example, this affects version 4.3.7 on GL-MT3000 GL-AR300M GL-B1300 GL-AX1800 GL-AR750S GL-MT2500 GL-AXT1800 GL-X3000 and GL-SFT1200.
How severe is CVE-2023-46453?: CVE-2023-46453 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-46453 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-46453?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2023-46453 have an EU (EUVD) identifier?: Yes. CVE-2023-46453 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-50669.
When was CVE-2023-46453 published?: CVE-2023-46453 was published on 2026-05-08 and last updated on 2026-06-17.

References

https://www.exploit-db.com/exploits/51865

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