CVE-2017-9488
First published: Mon Jul 31 2017(Updated: )
The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) and DPC3941T (firmware version DPC3941_2.5s3_PROD_sey) devices allows remote attackers to access the web UI by establishing a session to the wan0 WAN IPv6 address and then entering unspecified hardcoded credentials. This wan0 interface cannot be accessed from the public Internet.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco DPC3939 Wireless Residential Voice Gateway Firmware | =dpc3939-p20-18-v303r20421746-170221a-cmcst | |
| Cisco DPC3939B Firmware | ||
| Cisco DPC3941T Firmware | =dpc3941_2.5s3_prod_sey | |
| Cisco DPC3941T Firmware |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2017-9488?
CVE-2017-9488 is considered a high severity vulnerability due to the potential for remote unauthorized access to sensitive interfaces.
How do I fix CVE-2017-9488?
To fix CVE-2017-9488, update the firmware of affected Cisco DPC3939 and DPC3941T devices to the latest version provided by Cisco.
What devices are affected by CVE-2017-9488?
CVE-2017-9488 affects Cisco DPC3939 boards running firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST and Cisco DPC3941T boards running firmware version DPC3941_2.5s3_PROD_sey.
What is the nature of the vulnerability in CVE-2017-9488?
CVE-2017-9488 allows remote attackers to access the web user interface by exploiting session management flaws to connect to the wan0 WAN IPv6 address.
Can I mitigate CVE-2017-9488 without a firmware update?
Mitigation for CVE-2017-9488 without a firmware update is limited, but ensuring strong network security practices can help reduce risk.
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- agent/references
- agent/softwarecombine
- agent/tags
- agent/description
- agent/author
- agent/event
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/cisco
- canonical/cisco dpc3939 wireless residential voice gateway firmware
- version/cisco dpc3939 wireless residential voice gateway firmware/dpc3939-p20-18-v303r20421746-170221a-cmcst
- canonical/cisco dpc3939b firmware
- canonical/cisco dpc3941t firmware
- version/cisco dpc3941t firmware/dpc3941_2.5s3_prod_sey