CVE-2021-25846 Integer overflow in n/a
Attackers can cause denial of service in Moxa IP cameras by sending crafted LLDP packets that trigger a negative integer overflow in memory copy operations.
- 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-2021-25846?
CVE-2021-25846 is a high-severity vulnerability in n/a, published on 10 May 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper validation of the ChassisID TLV in userdisk/vport_lldpd in Moxa Camera VPort 06EC-2V Series, version 1.1, allows attackers to cause a denial of service due to a negative number passed to the memcpy function via a crafted lldp packet.
Weakness: CWE-191
Which versions are affected by CVE-2021-25846?
It affects 16 products.
Products include Moxa Vport 06ec-2v26m Firmware, Moxa Vport 06ec-2v36m-Ct-T Firmware, Moxa Vport 06ec-2v36m-Ct Firmware, Moxa Vport 06ec-2v36m-T Firmware, Moxa Vport 06ec-2v42m-Ct-T Firmware, Moxa Vport 06ec-2v42m-Ct Firmware and 10 more.
How do I fix CVE-2021-25846?
No fix has been published for CVE-2021-25846 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-25846 being exploited?
There is no known exploitation of CVE-2021-25846 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-g8ph-56pg-h88p.