CVE-2017-6548 Memory corruption in n/a

Critical 9.8 Published Updated

Remote attackers can execute arbitrary code on ASUS routers via crafted multicast messages exploiting buffer overflows in networkmap.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2017-6548?

CVE-2017-6548 is a critical memory corruption vulnerability in n/a, published on 9 Mar 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-119

Which versions are affected by CVE-2017-6548?

It affects 1 product.

Products include Asus Rt-Ac53 Firmware.

How do I fix CVE-2017-6548?

No fix has been published for CVE-2017-6548 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2017-6548 being exploited?

There is no known exploitation of CVE-2017-6548 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-wfrf-f3w9-9f66.

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