Critical severity · published Mar 23, 2022
CVE-2021-45756
Asus RT-AC68U <3.0.0.4.385.20633 and RT-AC5300 <3.0.0.4.384.82072 are affected by a buffer overflow in blocking_request.cgi
9.8
CVSS
1.2%
EPSS
No
On KEV
Description
Asus RT-AC68U <3.0.0.4.385.20633 and RT-AC5300 <3.0.0.4.384.82072 are affected by a buffer overflow in blocking_request.cgi.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RF
Rt-ac5300 Firmware · Asus
before 3.0.0.4.384.82072 · source: NVD
RF
Rt-ac68u Firmware · Asus
before 3.0.0.4.385.20633 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-45756
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-45756
Exploit
https://github.com/IBUILI/Asus
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