How severe is CVE-2009-5156?

CVE-2009-5156 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2009-5156 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-5156?

CVE-2009-5156 affects Veracomp Asmax Ar-804gu Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-5156?

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

When was CVE-2009-5156 published?

CVE-2009-5156 was published on 2019-06-11 and last updated on 2026-06-16.

CVE-2009-5156

CVE-2009-5156 is a critical-severity vulnerability in Veracomp Asmax Ar-804gu Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 11% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Veracomp Asmax Ar-804gu Firmware
Published: 2019-06-11
Last modified: 2026-06-16

Description

An issue was discovered on ASMAX AR-804gu 66.34.1 devices. There is Command Injection via the cgi-bin/script query string.

Frequently asked questions

What is CVE-2009-5156?: An issue was discovered on ASMAX AR-804gu 66.34.1 devices. There is Command Injection via the cgi-bin/script query string.
How severe is CVE-2009-5156?: CVE-2009-5156 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2009-5156 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-5156?: CVE-2009-5156 affects Veracomp Asmax Ar-804gu Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-5156?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2009-5156 published?: CVE-2009-5156 was published on 2019-06-11 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:veracomp:asmax_ar-804gu_firmware:66.34.1:*:*:*:*:*:*:*

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