Router modification via undisclosed stack buffer overflow
Published Aug 11, 2026 · Updated Aug 11, 2026
Stack-based buffer overflow in NETGEAR Nighthawk router firmware allows remote authenticated users to modify router software and functionality. NETGEAR has not disclosed the affected component, input field, or unsafe copy operation that overruns the stack buffer. Exploitation requires an administrator account and local-network adjacency; the disclosed consequence is unauthorized software and functionality changes.
Summary
What happened
Stack-based buffer overflow in NETGEAR Nighthawk router firmware allows remote authenticated users to modify router software and functionality. NETGEAR has not disclosed the affected component, input field, or unsafe copy operation that overruns the stack buffer. Exploitation requires an administrator account and local-network adjacency; the disclosed consequence is unauthorized software and functionality changes.
The record
- CVE
- CVE-2026-11736
- Published
- Aug 11, 2026
- Updated
- Aug 11, 2026
- Vendor
- NETGEAR
- Product
- RAX35v2
- Classifications
- CWE-20
- Attack vector
- adjacent
- Privileges
- admin
Timeline
How it unfolded
- Aug 11, 2026CVE publishedPublication date reported by the CVE source.
- Aug 11, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0 <V1.0.16.132
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
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Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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