CVE-2021-45736
First published: Fri Feb 04 2022(Updated: )
TOTOLINK X5000R v9.1.0u.6118_B20201102 was discovered to contain a stack overflow in the function setL2tpServerCfg. This vulnerability allows attackers to cause a Denial of Service (DoS) via the eip, sip, server parameters.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Totolink X5000r Firmware | =9.1.0u.6118_b20201102 | |
| TOTOLINK X5000R |
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Frequently Asked Questions
What is CVE-2021-45736?
CVE-2021-45736 is a vulnerability found in the TOTOLINK X5000R v9.1.0u.6118_B20201102 firmware that allows attackers to cause a denial of service (DoS) by exploiting a stack overflow in the setL2tpServerCfg function.
How severe is CVE-2021-45736?
CVE-2021-45736 is considered a high severity vulnerability with a severity score of 7.5.
How can an attacker exploit CVE-2021-45736?
An attacker can exploit CVE-2021-45736 by sending specially crafted parameters to the setL2tpServerCfg function, causing a stack overflow and resulting in a denial of service.
Is TOTOLINK X5000R v9.1.0u.6118_B20201102 the only affected version?
Yes, TOTOLINK X5000R v9.1.0u.6118_B20201102 is the only affected version.
How can I mitigate CVE-2021-45736?
Currently, there is no known mitigation for CVE-2021-45736. It is recommended to update to a patched version of the firmware when available.
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- vendor/totolink
- canonical/totolink x5000r firmware
- version/totolink x5000r firmware/9.1.0u.6118_b20201102
- canonical/totolink x5000r