CVE-2023-45578 Memory corruption in n/a

Critical 9.8 Published 16 Oct 2023 Updated 18 Sep 2024

Remote attackers can execute arbitrary code on D-Link routers via a buffer overflow in the PPPoE configuration interface.

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-2023-45578?

CVE-2023-45578 is a critical memory corruption vulnerability in n/a, published on 16 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Buffer Overflow vulnerability in D-Link device DI-7003GV2.D1 v.23.08.25D1 and before, DI-7100G+V2.D1 v.23.08.23D1 and before, DI-7100GV2.D1 v.23.08.23D1, DI-7200G+V2.D1 v.23.08.23D1 and before, DI-7200GV2.E1 v.23.08.23E1 and before, DI-7300G+V2.D1 v.23.08.23D1, and DI-7400G+V2.D1 v.23.08.23D1 and before allows a remote attacker to execute arbitrary code via the pap_en/chap_en parameter of the pppoe_base.asp function.

Weakness: CWE-787

Which versions are affected by CVE-2023-45578?

It affects 7 products.

Products include Dlink Di-7003g Firmware, Dlink Di-7100g\+ Firmware, Dlink Di-7100g Firmware, Dlink Di-7200g\+ Firmware, Dlink Di-7200g Firmware, Dlink Di-7300g\+ Firmware and 1 more.

How do I fix CVE-2023-45578?

No fix has been published for CVE-2023-45578 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-2023-45578 being exploited?

There is no known exploitation of CVE-2023-45578 in the wild and no public exploit code.

Sources

Also known as GHSA-fvrc-4g4c-396g.