How severe is CVE-2024-6145?

CVE-2024-6145 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-6145 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-6145?

CVE-2024-6145 affects Actiontec Wcb6200q Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-6145?

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-2024-6145 have an EU (EUVD) identifier?

Yes. CVE-2024-6145 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-47289.

When was CVE-2024-6145 published?

CVE-2024-6145 was published on 2024-06-19 and last updated on 2026-06-17.

CVE-2024-6145

CVE-2024-6145 is a high-severity vulnerability in Actiontec Wcb6200q Firmware with a CVSS 3.x base score of 8.8. 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-134.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-47289
Weakness: CWE-134
Affected product: Actiontec Wcb6200q Firmware
Published: 2024-06-19
Last modified: 2026-06-17

Description

Actiontec WCB6200Q Cookie Format String Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Actiontec WCB6200Q routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the HTTP server. A crafted Cookie header in an HTTP request can trigger the use of a format specifier from a user-supplied string. An attacker can leverage this vulnerability to execute code in the context of the HTTP server. Was ZDI-CAN-21417.

Frequently asked questions

What is CVE-2024-6145?: Actiontec WCB6200Q Cookie Format String Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Actiontec WCB6200Q routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the HTTP server. A crafted Cookie header in an HTTP request can trigger the use of a format specifier from a user-supplied string. An attacker can leverage this vulnerability to execute code in the context of the HTTP server. Was ZDI-CAN-21417.
How severe is CVE-2024-6145?: CVE-2024-6145 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-6145 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-6145?: CVE-2024-6145 affects Actiontec Wcb6200q Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-6145?: 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-2024-6145 have an EU (EUVD) identifier?: Yes. CVE-2024-6145 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-47289.
When was CVE-2024-6145 published?: CVE-2024-6145 was published on 2024-06-19 and last updated on 2026-06-17.

References

https://www.zerodayinitiative.com/advisories/ZDI-24-808/

Affected products (1)

cpe:2.3:o:actiontec:wcb6200q_firmware:1.2l.03.5:*:*:*:*:*:*:*

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