Post-authentication buffer overflow via lang parameter
Published Nov 23, 2022 · Updated Apr 25, 2025
A buffer overflow in TOTOLINK LR350 V9.3.5u.6369_B20220309 allows remote authenticated users to crash or compromise the router via crafted lang input. The setLanguageCfg function processes the lang parameter without adequate bounds control, enabling writes beyond the intended buffer. Exploitation requires valid authentication and network reachability; malformed requests can interrupt service, while broader compromise is not established by the available record.
Summary
What happened
A buffer overflow in TOTOLINK LR350 V9.3.5u.6369_B20220309 allows remote authenticated users to crash or compromise the router via crafted lang input. The setLanguageCfg function processes the lang parameter without adequate bounds control, enabling writes beyond the intended buffer. Exploitation requires valid authentication and network reachability; malformed requests can interrupt service, while broader compromise is not established by the available record.
The record
- CVE
- CVE-2022-44256
- Published
- Nov 23, 2022
- Updated
- Apr 25, 2025
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-787, T1210
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Nov 23, 2022CVE publishedPublication date reported by the CVE source.
- Apr 25, 2025Record 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
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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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