CVE-2023-31447 Code injection in n/a

Critical 9.8 Published Updated

Attackers can execute arbitrary code on Draytek Vigor routers by sending crafted payloads to the login 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-2023-31447?

CVE-2023-31447 is a critical code injection vulnerability in n/a, published on 21 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

user_login.cgi on Draytek Vigor2620 devices before 3.9.8.4 (and on all versions of Vigor2925 devices) allows attackers to send a crafted payload to modify the content of the code segment, insert shellcode, and execute arbitrary code.

Weakness: CWE-94

Which versions are affected by CVE-2023-31447?

It affects 2 products.

Products include Draytek Vigor2620 Firmware, Draytek Vigor2625 Firmware.

How do I fix CVE-2023-31447?

No fix has been published for CVE-2023-31447 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2023-31447 being exploited?

There is no known exploitation of CVE-2023-31447 in the wild and no public exploit code.

Sources

Also known as GHSA-wpv3-j7wc-292j.

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