CVE-2020-15490 Memory corruption in n/a

Critical 9.8 Published 1 Jul 2020 Updated 4 Aug 2024

Buffer overflows in Wavlink router CGI scripts allow remote attackers to execute arbitrary code with root privileges.

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-2020-15490?

CVE-2020-15490 is a critical memory corruption vulnerability in n/a, published on 1 Jul 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered on Wavlink WL-WN530HG4 M30HG4.V5030.191116 devices. Multiple buffer overflow vulnerabilities exist in CGI scripts, leading to remote code execution with root privileges. (The set of affected scripts is similar to CVE-2020-12266.)

Weakness: CWE-120

Which versions are affected by CVE-2020-15490?

It affects 1 product.

Products include Wavlink Wl-Wn530hg4 Firmware.

How do I fix CVE-2020-15490?

No fix has been published for CVE-2020-15490 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-2020-15490 being exploited?

There is no known exploitation of CVE-2020-15490 in the wild and no public exploit code.

Sources

Also known as GHSA-qhq8-g585-gvrr.