Stack-based buffer overflow in Archer A7 - CVE-2020-10881

 

Stack-based buffer overflow in Archer A7 - CVE-2020-10881

Published: March 26, 2020


Vulnerability identifier: #VU26402
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-10881
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when handling the DNS responses. A remote unauthenticated attacker can send a specially crafted DNS message, trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Archer A7

How to mitigate CVE-2020-10881

Install updates from vendor's website.

Archer A7 - update to 200220

External References

Related Security Bulletins