CVE-2021-35392 Memory corruption in n/a

High 7.5 Published Updated

Heap buffer overflow in Realtek Jungle SDK WiFi Simple Config server allows remote code execution or denial of service via crafted SSDP messages.

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-2021-35392?

CVE-2021-35392 is a high-severity memory corruption vulnerability in n/a, published on 16 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Realtek Jungle SDK version v2.x up to v3.4.14B provides a 'WiFi Simple Config' server that implements both UPnP and SSDP protocols. The binary is usually named wscd or mini_upnpd and is the successor to miniigd. The server is vulnerable to a heap buffer overflow that is present due to unsafe crafting of SSDP NOTIFY messages from received M-SEARCH messages ST header.

Weakness: CWE-787

Which versions are affected by CVE-2021-35392?

It affects 1 product.

Products include Realtek Rtl819x Jungle Software Development Kit.

How do I fix CVE-2021-35392?

No fix has been published for CVE-2021-35392 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-2021-35392 being exploited?

There is no known exploitation of CVE-2021-35392 in the wild and no public exploit code.

Sources

Also known as GHSA-93h2-q35g-wr7p.

Is CVE-2021-35392 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free