How severe is CVE-2023-42664?

CVE-2023-42664 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-42664 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-42664?

CVE-2023-42664 affects Tp-link Er7206 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-42664?

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

Does CVE-2023-42664 have an EU (EUVD) identifier?

Yes. CVE-2023-42664 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-47096.

When was CVE-2023-42664 published?

CVE-2023-42664 was published on 2024-02-06 and last updated on 2026-06-17.

CVE-2023-42664

CVE-2023-42664 is a high-severity vulnerability in Tp-link Er7206 Firmware with a CVSS 3.x base score of 7.2. 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-78.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 3% (88th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-47096
Weakness: CWE-78
Affected product: Tp-link Er7206 Firmware
Published: 2024-02-06
Last modified: 2026-06-17

Description

A post authentication command injection vulnerability exists when setting up the PPTP global configuration of Tp-Link ER7206 Omada Gigabit VPN Router 1.3.0 build 20230322 Rel.70591. A specially crafted HTTP request can lead to arbitrary command injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.

Frequently asked questions

What is CVE-2023-42664?: A post authentication command injection vulnerability exists when setting up the PPTP global configuration of Tp-Link ER7206 Omada Gigabit VPN Router 1.3.0 build 20230322 Rel.70591. A specially crafted HTTP request can lead to arbitrary command injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.
How severe is CVE-2023-42664?: CVE-2023-42664 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-42664 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-42664?: CVE-2023-42664 affects Tp-link Er7206 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-42664?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-42664 have an EU (EUVD) identifier?: Yes. CVE-2023-42664 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-47096.
When was CVE-2023-42664 published?: CVE-2023-42664 was published on 2024-02-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tp-link:er7206_firmware:1.3.0:build_20230322_rel_70591:*:*:*:*:*:*

More vulnerabilities in Tp-link Er7206 Firmware

CVE-2025-7851 — Critical (CVSS 9.8): An attacker may obtain the root shell on the underlying OS system with the restricted conditions on Omada gateways.
CVE-2025-6542 — Critical (CVSS 9.8): An arbitrary OS command may be executed on the product by a remote unauthenticated attacker.
CVE-2025-6541 — High (CVSS 8.8): An arbitrary OS command may be executed on the product by the user who can log in to the web management interface.
CVE-2025-7850 — High (CVSS 7.2): A command injection vulnerability may be exploited after the admin's authentication on the web portal on Omada gateways.
CVE-2024-21827 — High (CVSS 7.2): A leftover debug code vulnerability exists in the cli_server debug functionality of Tp-Link ER7206 Omada Gigabit VPN…
CVE-2023-47618 — High (CVSS 7.2): A post authentication command execution vulnerability exists in the web filtering functionality of Tp-Link ER7206 Omada…

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