What is CVE-2021-45757?

CVE-2021-45757 is a high-severity vulnerability in Asus Rt-ac68u, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2022-03-23.

How severe is CVE-2021-45757?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Asus Rt-ac68u

CVE-2021-45757

ASUS AC68U <=3.0.0.4.385.20852 is affected by a buffer overflow in blocking.cgi, which may cause a denial of service (DoS).

Vulnerability class: Buffer Overflow

EPSS: 0.011 (60.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

af854a3a-2127-422b-91ae-364da2661108 (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
af854a3a-2127-422b-91ae-364da2661108 (URL Repurposed, x_refsource_MISC, Broken Link)

Frequently asked questions

What is CVE-2021-45757?: CVE-2021-45757 is a high-severity vulnerability in Asus Rt-ac68u, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2022-03-23.
How severe is CVE-2021-45757?: High severity. CVSS v3 base score is 7.5 out of 10.