What is CVE-2019-20082?

CVE-2019-20082 is a critical-severity vulnerability in Asus Rt-N53, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2021-12-28.

How severe is CVE-2019-20082?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2019-20082 known to be exploited?

5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Asus Rt-N53

CVE-2019-20082

ASUS RT-N53 3.0.0.4.376.3754 devices have a buffer overflow via a long lan_dns1_x or lan_dns2_x parameter to Advanced_LAN_Content.asp.

Vulnerability class: Buffer Overflow

EPSS: 0.020 (79.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Asus Rt-n53
Asus Rt-n53_firmware — versions 3.0.0.4.376.3754
N/a — versions n/a

Weakness classification (CWE)

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

Public proof-of-concept exploits

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-20082?: CVE-2019-20082 is a critical-severity vulnerability in Asus Rt-N53, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2021-12-28.
How severe is CVE-2019-20082?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2019-20082 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.