CVE-2023-29693 Memory corruption in n/a

Critical 9.8 Published 8 May 2023 Updated 29 Jan 2025

A stack overflow in the TFTP upgrade function allows attackers to execute arbitrary code or cause denial of service on H3C GR-1200W routers.

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-2023-29693?

CVE-2023-29693 is a critical memory corruption vulnerability in n/a, published on 8 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

H3C GR-1200W MiniGRW1A0V100R006 was discovered to contain a stack overflow via the function set_tftp_upgrad.

Weakness: CWE-787

Which versions are affected by CVE-2023-29693?

It affects 1 product.

Products include H3c Gr-1200w Firmware.

How do I fix CVE-2023-29693?

No fix has been published for CVE-2023-29693 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-2023-29693 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-29693 exists.

Sources

Also known as GHSA-wv9h-wp9q-jhcq.