How severe is CVE-2014-9727?

CVE-2014-9727 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2014-9727 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 72% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-9727?

CVE-2014-9727 affects Avm Fritz!box. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-9727?

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-2014-9727 published?

CVE-2014-9727 was published on 2015-05-29 and last updated on 2026-06-17.

CVE-2014-9727

CVE-2014-9727 is a critical-severity vulnerability in Avm Fritz!box with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 72% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 72% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Avm Fritz!box
Published: 2015-05-29
Last modified: 2026-06-17

Description

AVM Fritz!Box allows remote attackers to execute arbitrary commands via shell metacharacters in the var:lang parameter to cgi-bin/webcm.

Frequently asked questions

What is CVE-2014-9727?: AVM Fritz!Box allows remote attackers to execute arbitrary commands via shell metacharacters in the var:lang parameter to cgi-bin/webcm.
How severe is CVE-2014-9727?: CVE-2014-9727 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2014-9727 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 72% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-9727?: CVE-2014-9727 affects Avm Fritz!box. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-9727?: 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-2014-9727 published?: CVE-2014-9727 was published on 2015-05-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:avm:fritz\!box:*:*:*:*:*:*:*:*

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