CVE-2017-11587
CVE-2017-11587 is a high-severity vulnerability in Cisco Residential Gateway Firmware with a CVSS 3.x base score of 7.5. 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: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 2% (80th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Cisco Residential Gateway Firmware
- Published:
- Last modified:
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 directory traversal in the filename parameter to the /download.conf URI.
Frequently asked questions
- What is CVE-2017-11587?
- 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 directory traversal in the filename parameter to the /download.conf URI.
- How severe is CVE-2017-11587?
- CVE-2017-11587 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2017-11587 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-2017-11587?
- CVE-2017-11587 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-2017-11587?
- 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-2017-11587 published?
- CVE-2017-11587 was published on 2017-07-24 and last updated on 2026-06-17.
References
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:*:*:*:*:*:*:*
More vulnerabilities in Cisco Residential Gateway Firmware
- CVE-2017-11589 — Critical (CVSS 9.8): On Cisco DDR2200 ADSL2+ Residential Gateway DDR2200B-NA-AnnexA-FCC-V00.00.03.45.4E and DDR2201v1 ADSL2+ Residential…
- CVE-2017-11588 — Critical (CVSS 9.8): On Cisco DDR2200 ADSL2+ Residential Gateway DDR2200B-NA-AnnexA-FCC-V00.00.03.45.4E and DDR2201v1 ADSL2+ Residential…
All CVEs affecting Cisco Residential Gateway Firmware →
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