How severe is CVE-2023-46456?

CVE-2023-46456 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-2023-46456 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 25% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-46456?

CVE-2023-46456 affects Gl-inet Gl-ar300m Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-46456?

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-2023-46456 published?

CVE-2023-46456 was published on 2023-12-12 and last updated on 2026-06-17.

CVE-2023-46456

CVE-2023-46456 is a critical-severity vulnerability in Gl-inet Gl-ar300m Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 25% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-74.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 25% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Gl-inet Gl-ar300m Firmware
Published: 2023-12-12
Last modified: 2026-06-17

Description

In GL.iNET GL-AR300M routers with firmware 3.216 it is possible to inject arbitrary shell commands through the OpenVPN client file upload functionality.

Frequently asked questions

What is CVE-2023-46456?: In GL.iNET GL-AR300M routers with firmware 3.216 it is possible to inject arbitrary shell commands through the OpenVPN client file upload functionality.
How severe is CVE-2023-46456?: CVE-2023-46456 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-2023-46456 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 25% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-46456?: CVE-2023-46456 affects Gl-inet Gl-ar300m Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-46456?: 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-2023-46456 published?: CVE-2023-46456 was published on 2023-12-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:gl-inet:gl-ar300m_firmware:3.216:*:*:*:*:*:*:*

More vulnerabilities in Gl-inet Gl-ar300m 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-2023-46454 — Critical (CVSS 9.8): In GL.iNET GL-AR300M routers with firmware v4.3.7, it is possible to inject arbitrary shell commands through a crafted…
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-2023-50445 — High (CVSS 7.8): Shell Injection vulnerability GL.iNet A1300 v4.4.6, AX1800 v4.4.6, AXT1800 v4.4.6, MT3000 v4.4.6, MT2500 v4.4.6, MT6000…

All CVEs affecting Gl-inet Gl-ar300m Firmware →

Other CWE-74 (Improper Neutralization of Special Elements (Injection)) vulnerabilities

CVE-2026-25586 — Critical (CVSS 10.0): SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, a sandbox escape is possible by shadowing hasOwnProperty…
CVE-2026-25520 — Critical (CVSS 10.0): SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, The return values of functions aren't wrapped.…
CVE-2025-20265 — Critical (CVSS 10.0): A vulnerability in the RADIUS subsystem implementation of Cisco Secure Firewall Management Center (FMC) Software could…
CVE-2025-20337 — Critical (CVSS 10.0): A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to…
CVE-2025-20281 — Critical (CVSS 10.0): A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to…
CVE-2024-42472 — Critical (CVSS 10.0): Flatpak is a Linux application sandboxing and distribution framework. Prior to versions 1.14.0 and 1.15.10, a malicious…

Browse all CWE-74 (Improper Neutralization of Special Elements (Injection)) vulnerabilities →