How severe is CVE-2013-5741?

CVE-2013-5741 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2013-5741 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-5741?

CVE-2013-5741 primarily affects Triplc Nano-10 Plc Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-5741?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2013-5741 published?

CVE-2013-5741 was published on 2013-10-29 and last updated on 2026-06-16.

CVE-2013-5741

CVE-2013-5741 is a high-severity vulnerability in Triplc Nano-10 Plc Firmware with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Triplc Nano-10 Plc Firmware
Published: 2013-10-29
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2013-5741?: 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.
How severe is CVE-2013-5741?: CVE-2013-5741 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2013-5741 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-5741?: CVE-2013-5741 primarily affects Triplc Nano-10 Plc Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-5741?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2013-5741 published?: CVE-2013-5741 was published on 2013-10-29 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:o:triplc:nano-10_plc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:triplc:nano-10_plc_firmware:r80:*:*:*:*:*:*:*
cpe:2.3:h:triplc:nano-10_plc:-:*:*:*:*:*:*:*

More vulnerabilities in Triplc Nano-10 Plc Firmware

CVE-2013-2784 — High (CVSS 7.8): Triangle Research International (aka Tri) Nano-10 PLC devices with firmware before r81 use an incorrect algorithm for…

All CVEs affecting Triplc Nano-10 Plc Firmware →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →