How severe is CVE-2024-54809?

CVE-2024-54809 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-2024-54809 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-54809?

CVE-2024-54809 affects Netgear Wnr854t Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-54809?

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-2024-54809 have an EU (EUVD) identifier?

Yes. CVE-2024-54809 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9057.

When was CVE-2024-54809 published?

CVE-2024-54809 was published on 2025-03-31 and last updated on 2026-06-17.

CVE-2024-54809

CVE-2024-54809 is a critical-severity vulnerability in Netgear Wnr854t 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-121.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-9057
Weakness: CWE-121
Affected product: Netgear Wnr854t Firmware
Published: 2025-03-31
Last modified: 2026-06-17

Description

Netgear Inc WNR854T 1.5.2 (North America) contains a stack-based buffer overflow vulnerability in the parse_st_header function due to use of a request header parameter in a strncpy where size is determined based on the input specified. By sending a specially crafted packet, an attacker can take control of the program counter and hijack control flow of the program to execute arbitrary system commands.

Frequently asked questions

What is CVE-2024-54809?: Netgear Inc WNR854T 1.5.2 (North America) contains a stack-based buffer overflow vulnerability in the parse_st_header function due to use of a request header parameter in a strncpy where size is determined based on the input specified. By sending a specially crafted packet, an attacker can take control of the program counter and hijack control flow of the program to execute arbitrary system commands.
How severe is CVE-2024-54809?: CVE-2024-54809 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-2024-54809 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-54809?: CVE-2024-54809 affects Netgear Wnr854t Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-54809?: 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-2024-54809 have an EU (EUVD) identifier?: Yes. CVE-2024-54809 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9057.
When was CVE-2024-54809 published?: CVE-2024-54809 was published on 2025-03-31 and last updated on 2026-06-17.

References

https://faultpoint.com/post/2025-03-25-8-cves-on-the-wnr854t-junkyard/#809

Affected products (1)

cpe:2.3:o:netgear:wnr854t_firmware:1.5.2:*:*:*:*:*:*:*

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