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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.020 (80.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- ASUS Rt-N53
- ASUS Rt-N53 Firmware — versions 3.0.0.4.376.3754
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.asus.com (Vendor Advisory)
- github.com/pr0v3rbs/CVE/tree/master/CVE-2019-20082 (Exploit, Third Party Advisory)
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.