Buffer overflow in ASUS Rt-Ac53

CVE-2017-6548

Buffer overflows in networkmap on ASUS RT-N56U, RT-N66U, RT-AC66U, RT-N66R, RT-AC66R, RT-AC68U, RT-AC68R, RT-N66W, RT-AC66W, RT-AC87R, RT-AC87U, RT-AC51U, RT-AC68P, RT-N11P, RT-N12+, RT-N12E B1, RT-AC3200, RT-AC53U, RT-AC1750, RT-AC1900P, RT-N300, and RT-AC750 routers with firmware before 3.0.0.4.380.7378; RT-AC68W routers with firmware before 3.0.0.4.380.7266; and RT-N600, RT-N12+ B1, RT-N11P B1, RT-N12VP B1, RT-N12E C1, RT-N300 B1, and RT-N12+ Pro routers with firmware before 3.0.0.4.380.9488; and Asuswrt-Merlin firmware before 380.65_2 allow remote attackers to execute arbitrary code on the router via a long host or port in crafted multicast messages.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.213 (97.5th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2017-6548: held from 0.213 to 0.213.

EPSS over last 30 days · oldest: 0.213 · newest: 0.213 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-6548?
CVE-2017-6548 is a critical-severity vulnerability in ASUS Rt-Ac53, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-03-09.
How severe is CVE-2017-6548?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2017-6548 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.