CVE-2013-5741

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-10-29 · updated 2026-06-16
Weakness: CWE-20

Description

Triangle Research International (aka Tri) Nano-10 PLC devices with firmware r81 and earlier do not properly handle large length values in MODBUS data, which allows remote attackers to cause a denial of service (transition to the interrupt state) via a crafted packet to TCP port 502.

Affected products

Triplc Nano-10 Plc: all versions
Triplc Nano-10 Plc Firmware: through r81; r80

References

http://blogs.ixiacom.com/ixia-blog/hack-scada-zero-day-vulnerability-discovery-on-the-nano-10-plc/
http://osvdb.org/ref/97/tri-nano10.txt
http://www.osvdb.org/97728
http://blogs.ixiacom.com/ixia-blog/hack-scada-zero-day-vulnerability-discovery-on-the-nano-10-plc/
http://osvdb.org/ref/97/tri-nano10.txt
http://www.osvdb.org/97728

Get alerted when CVE-2013-5741 or the next vulnerability affects your stack