Router crash via oversized device name
Published Nov 27, 2023 · Updated Aug 2, 2024
Stack-based buffer overflow in the formSetDeviceName handler in Tenda AX1803 1.0.0.1 allows remote attackers to crash the router via devName. The handler accepts an oversized devName value at /goform/SetOnlineDevName and writes beyond a stack buffer's bounds, causing the published request to crash the router. The proof of concept includes a password cookie, although NVD rates privileges as none, so public evidence conflicts on whether management authentication is required; the demonstrated consequence is a service-interrupting crash.
Summary
What happened
Stack-based buffer overflow in the formSetDeviceName handler in Tenda AX1803 1.0.0.1 allows remote attackers to crash the router via devName. The handler accepts an oversized devName value at /goform/SetOnlineDevName and writes beyond a stack buffer's bounds, causing the published request to crash the router. The proof of concept includes a password cookie, although NVD rates privileges as none, so public evidence conflicts on whether management authentication is required; the demonstrated consequence is a service-interrupting crash.
The record
- CVE
- CVE-2023-49047
- Published
- Nov 27, 2023
- Updated
- Aug 2, 2024
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-787, T1499.004
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Nov 27, 2023CVE publishedPublication date reported by the CVE source.
- Aug 2, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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What is affected?
Affected products and versions are unavailable in this record.
Published CVSS scores
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Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- formSetDeviceName proof of conceptproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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