How severe is CVE-2011-1646?

CVE-2011-1646 has a CVSS 2.0 base score of 9.0, rated critical severity.

Is CVE-2011-1646 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1646?

CVE-2011-1646 primarily affects Cisco Rvs4000. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-1646?

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-2011-1646 published?

CVE-2011-1646 was published on 2011-05-31 and last updated on 2026-06-16.

CVE-2011-1646

CVE-2011-1646 is a critical-severity vulnerability in Cisco Rvs4000 with a CVSS 2.0 base score of 9.0. 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-94.

Key facts

Severity: Critical (CVSS 2.0 base score 9.0)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Cisco Rvs4000
Published: 2011-05-31
Last modified: 2026-06-16

Description

The web management interface on the Cisco RVS4000 Gigabit Security Router with software 1.x before 1.3.3.4 and 2.x before 2.0.2.7, and the WRVS4400N Gigabit Security Router with software before 2.0.2.1, allows remote authenticated users to execute arbitrary commands via the (1) ping test parameter or (2) traceroute test parameter, aka Bug ID CSCtn23871.

Frequently asked questions

What is CVE-2011-1646?: The web management interface on the Cisco RVS4000 Gigabit Security Router with software 1.x before 1.3.3.4 and 2.x before 2.0.2.7, and the WRVS4400N Gigabit Security Router with software before 2.0.2.1, allows remote authenticated users to execute arbitrary commands via the (1) ping test parameter or (2) traceroute test parameter, aka Bug ID CSCtn23871.
How severe is CVE-2011-1646?: CVE-2011-1646 has a CVSS 2.0 base score of 9.0, rated critical severity.
Is CVE-2011-1646 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1646?: CVE-2011-1646 primarily affects Cisco Rvs4000. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1646?: 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-2011-1646 published?: CVE-2011-1646 was published on 2011-05-31 and last updated on 2026-06-16.

References

Affected products (13)

cpe:2.3:h:cisco:rvs4000:1:*:*:*:*:*:*:*
cpe:2.3:h:cisco:rvs4000:2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:rvs4000_software:1.3.0.5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:rvs4000_software:1.3.1.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:rvs4000_software:1.3.2.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:rvs4000_software:2.0.0.3:*:*:*:*:*:*:*
cpe:2.3:h:cisco:wrvs4400n:1.0:*:*:*:*:*:*:*
cpe:2.3:h:cisco:wrvs4400n:1.1:*:*:*:*:*:*:*
cpe:2.3:h:cisco:wrvs4400n:2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:wrvs4400n_software:1.3.0.5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:wrvs4400n_software:1.3.1.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:wrvs4400n_software:1.3.2.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:wrvs4400n_software:2.0.0.3:*:*:*:*:*:*:*

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