How severe is CVE-2017-11589?

CVE-2017-11589 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-2017-11589 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-11589?

CVE-2017-11589 primarily affects Cisco Residential Gateway Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-11589?

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-2017-11589 published?

CVE-2017-11589 was published on 2017-07-24 and last updated on 2026-06-17.

CVE-2017-11589

CVE-2017-11589 is a critical-severity vulnerability in Cisco Residential Gateway Firmware with a CVSS 3.x base score of 9.8. 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-22.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Cisco Residential Gateway Firmware
Published: 2017-07-24
Last modified: 2026-06-17

Description

On Cisco DDR2200 ADSL2+ Residential Gateway DDR2200B-NA-AnnexA-FCC-V00.00.03.45.4E and DDR2201v1 ADSL2+ Residential Gateway DDR2201v1-NA-AnnexA-FCC-V00.00.03.28.3 devices, there is no access control for info.html, wancfg.cmd, rtroutecfg.cmd, arpview.cmd, cpuview.cmd, memoryview.cmd, statswan.cmd, statsatm.cmd, scsrvcntr.cmd, scacccntr.cmd, logview.cmd, voicesipview.cmd, usbview.cmd, wlmacflt.cmd, wlwds.cmd, wlstationlist.cmd, HPNAShow.cmd, HPNAView.cmd, qoscls.cmd, qosqueue.cmd, portmap.cmd, scmacflt.cmd, scinflt.cmd, scoutflt.cmd, certlocal.cmd, or certca.cmd.

Frequently asked questions

What is CVE-2017-11589?: On Cisco DDR2200 ADSL2+ Residential Gateway DDR2200B-NA-AnnexA-FCC-V00.00.03.45.4E and DDR2201v1 ADSL2+ Residential Gateway DDR2201v1-NA-AnnexA-FCC-V00.00.03.28.3 devices, there is no access control for info.html, wancfg.cmd, rtroutecfg.cmd, arpview.cmd, cpuview.cmd, memoryview.cmd, statswan.cmd, statsatm.cmd, scsrvcntr.cmd, scacccntr.cmd, logview.cmd, voicesipview.cmd, usbview.cmd, wlmacflt.cmd, wlwds.cmd, wlstationlist.cmd, HPNAShow.cmd, HPNAView.cmd, qoscls.cmd, qosqueue.cmd, portmap.cmd, scmacflt.cmd, scinflt.cmd, scoutflt.cmd, certlocal.cmd, or certca.cmd.
How severe is CVE-2017-11589?: CVE-2017-11589 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-2017-11589 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-11589?: CVE-2017-11589 primarily affects Cisco Residential Gateway Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-11589?: 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-2017-11589 published?: CVE-2017-11589 was published on 2017-07-24 and last updated on 2026-06-17.

References

http://seclists.org/fulldisclosure/2017/Jul/26

Affected products (2)

cpe:2.3:o:cisco:residential_gateway_firmware:ddr2200b-na-annexa-fcc-v00.00.03.45.4e:*:*:*:*:*:*:*
cpe:2.3:o:cisco:residential_gateway_firmware:ddr2201v1-na-annexa-fcc-v00.00.03.28.3:*:*:*:*:*:*:*

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CVE-2017-11588 — Critical (CVSS 9.8): On Cisco DDR2200 ADSL2+ Residential Gateway DDR2200B-NA-AnnexA-FCC-V00.00.03.45.4E and DDR2201v1 ADSL2+ Residential…
CVE-2017-11587 — High (CVSS 7.5): On Cisco DDR2200 ADSL2+ Residential Gateway DDR2200B-NA-AnnexA-FCC-V00.00.03.45.4E and DDR2201v1 ADSL2+ Residential…

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