CVE-2024-12147

Netgear R6900 HTTP Header upgrade_check.cgi buffer overflow

MEDIUM
6.5
CVSS Score
Published: December 4, 2024 at 05:31 PM UTC
Updated: June 17, 2026 at 06:59 AM UTC
2 products affected across 1 vendorR6900 FirmwareR6900

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.8%
SSVC
PoC

Description

A vulnerability was found in Netgear R6900 1.0.1.26_1.0.20. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file upgrade_check.cgi of the component HTTP Header Handler. The manipulation of the argument Content-Length leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-119CWE-120

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