Vulnerability Monitor

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CVE-2017-9476


The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421733-160420a-CMCST); Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST); and Arris TG1682G (eMTA&DOCSIS version 10.0.132.SIP.PC20.CT, software version TG1682_2.2p7s2_PROD_sey) devices makes it easy for remote attackers to determine the hidden SSID and passphrase for a Home Security Wi-Fi network.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.5, indicating it requires adjacent network access with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), for affected systems. Impacting 4 products from cisco, from cisco, from commscope and 1 other, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2017, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.


Published

2017-07-31T03:29:00.237

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:A/AC:L/Au:N/C:P/I:N/A:N

  • Access Vector: ADJACENT_NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

6.5

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-200

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco dpc3939_firmware dpc3939-p20-18-v303r20421746-170221a-cmcst Yes
Hardware cisco dpc3939 - No
Operating System cisco dpc3939_firmware dpc3939-p20-18-v303r20421733-160420a-cmcst Yes
Hardware cisco dpc3939 - No
Operating System commscope arris_tg1682g_firmware 10.0.132.sip.pc20.ct Yes
Operating System commscope arris_tg1682g_firmware tg1682_2.2p7s2_prod_sey Yes
Hardware commscope arris_tg1682g - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For cisco's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.