Buffer Overflow Vulnerability in Asus RT-AC68U and RT-AC5300 Routers
CVE-2021-45756

9.8CRITICAL

Key Information:

Vendor

Asus
Status
Rt-ac68u Firmware
Vendor
CVE Published:
23 March 2022

What is CVE-2021-45756?

A buffer overflow vulnerability exists in the Asus RT-AC68U and RT-AC5300 routers, specifically in the 'blocking_request.cgi' component. This flaw can potentially allow an attacker to execute arbitrary code, leading to unauthorized access and control over affected devices, compromising the integrity and confidentiality of the network. Users are advised to update their firmware to the latest version to mitigate any risks associated with this vulnerability.

References

http://asus.com
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http://rt-ac68u.com
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https://github.com/IBUILI/Asus
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CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2021-45756 : Buffer Overflow Vulnerability in Asus RT-AC68U and RT-AC5300 Routers