CVE-2023-27720 Memory corruption in n/a

Critical 9.8 Published 9 Apr 2023 Updated 12 Feb 2025

Attackers can execute arbitrary code or cause denial of service on D-Link DIR878 routers via a stack overflow vulnerability.

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-2023-27720?

CVE-2023-27720 is a critical memory corruption vulnerability in n/a, published on 9 Apr 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

D-Link DIR878 1.30B08 was discovered to contain a stack overflow in the sub_48d630 function. This vulnerability allows attackers to cause a Denial of Service (DoS) or execute arbitrary code via a crafted payload.

Weakness: CWE-787

Which versions are affected by CVE-2023-27720?

It affects 1 product.

Products include Dlink Dir-878 Firmware.

How do I fix CVE-2023-27720?

No fix has been published for CVE-2023-27720 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-2023-27720 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-27720 exists.

Sources

Also known as GHSA-225v-7693-56j3.