CVE-2023-6874 Zigbee Unauthenticated DoS via NWK Sequence number manipulation
Attackers can cause denial of service in Zigbee networks by manipulating NWK sequence numbers, affecting devices using the Ember ZNet stack.
- 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-2023-6874?
CVE-2023-6874 is a high-severity denial of service vulnerability in silabs.com GSDK, published on 5 Feb 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Prior to v7.4.0, Ember ZNet is vulnerable to a denial of service attack through manipulation of the NWK sequence number
Which versions are affected by CVE-2023-6874?
It affects 1 product.
Products include Silabs Gecko Software Development Kit.
How do I fix CVE-2023-6874?
No fix has been published for CVE-2023-6874 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2023-6874 being exploited?
There is no known exploitation of CVE-2023-6874 in the wild and no public exploit code.
Other vulnerabilities in silabs.com GSDK
- CVE-2023-45318 Memory corruption in Gecko Platform
- CVE-2023-2686 Memory corruption in Gecko Platform
- CVE-2023-4280 Unvalidated input in Silicon Labs TrustZone implementation leads to accessing Trusted memory region
- CVE-2023-4020 Unvalidated input in Silicon Labs PSA Attestation service leads to secure memory access from non-secure memory
- CVE-2023-25181 Memory corruption in Cesium NET
Sources
Also known as GHSA-vm59-55f6-4qp9.