What is the CVSS score of CVE-2024-54809?

CVE-2024-54809 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.2%.

Which versions of Wnr854T Firmware are affected by CVE-2024-54809?

CVE-2024-54809 presents critical security risk, a stack-based buffer overflow vulnerability rated CVSS 9.8.

Is there a public PoC exploit available for CVE-2024-54809?

Yes, a public proof-of-concept exploit is available for CVE-2024-54809. Prioritise patching immediately. EPSS: 0.2%.

How to fix or mitigate CVE-2024-54809?

Within 24 hours: Identify all affected systems and apply vendor patches immediately. If patching is delayed, consider network segmentation to limit exposure.

Wnr854T Firmware CVE-2024-54809

CRITICAL

Stack-based Buffer Overflow (CWE-121)

2025-03-31 cve@mitre.org

Netgear Buffer Overflow Stack Overflow Wnr854T Firmware

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:34 vuln.today

PoC Detected

Apr 17, 2025 - 12:54 vuln.today

Public exploit code

CVE Published

Mar 31, 2025 - 21:15 nvd

CRITICAL 9.8

DescriptionCVE.org

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.

AnalysisAI

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. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-121. 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. Affected products include: Netgear Wnr854T Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.