How severe is CVE-2023-47463?

CVE-2023-47463 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-2023-47463 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-47463?

CVE-2023-47463 affects Gl-inet Gl-ax1800 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-47463?

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.

When was CVE-2023-47463 published?

CVE-2023-47463 was published on 2023-11-30 and last updated on 2026-06-17.

CVE-2023-47463

CVE-2023-47463 is a critical-severity vulnerability in Gl-inet Gl-ax1800 Firmware 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-281.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-281
Affected product: Gl-inet Gl-ax1800 Firmware
Published: 2023-11-30
Last modified: 2026-06-17

Description

Insecure Permissions vulnerability in GL.iNet AX1800 version 4.0.0 before 4.5.0 allows a remote attacker to execute arbitrary code via a crafted script to the gl_nas_sys authentication function.

Frequently asked questions

What is CVE-2023-47463?: Insecure Permissions vulnerability in GL.iNet AX1800 version 4.0.0 before 4.5.0 allows a remote attacker to execute arbitrary code via a crafted script to the gl_nas_sys authentication function.
How severe is CVE-2023-47463?: CVE-2023-47463 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-2023-47463 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-47463?: CVE-2023-47463 affects Gl-inet Gl-ax1800 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-47463?: 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.
When was CVE-2023-47463 published?: CVE-2023-47463 was published on 2023-11-30 and last updated on 2026-06-17.

References

https://github.com/gl-inet/CVE-issues/blob/main/4.0.0/an%20unauthenticated%20remote%20code%20execution.md

Affected products (1)

cpe:2.3:o:gl-inet:gl-ax1800_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Gl-inet Gl-ax1800 Firmware

CVE-2023-50919 — Critical (CVSS 9.8): An issue was discovered on GL.iNet devices before version 4.5.0. There is an NGINX authentication bypass via Lua string…
CVE-2023-50921 — Critical (CVSS 9.8): An issue was discovered on GL.iNet devices through 4.5.0. Attackers can invoke the add_user interface in the system…
CVE-2023-47462 — Critical (CVSS 9.8): Insecure Permissions vulnerability in GL.iNet AX1800 v.3.215 and before allows a remote attacker to execute arbitrary…
CVE-2023-31475 — Critical (CVSS 9.8): An issue was discovered on GL.iNet devices before 3.216. The function guci2_get() found in libglutil.so has a buffer…
CVE-2023-31471 — Critical (CVSS 9.8): An issue was discovered on GL.iNet devices before 3.216. Through the software installation feature, it is possible to…
CVE-2023-47464 — High (CVSS 8.8): Insecure Permissions vulnerability in GL.iNet AX1800 version 4.0.0 before 4.5.0 allows a remote attacker to execute…

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