CVE-2017-9479

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices allows remote attackers to execute arbitrary…

published July 31, 2017

CVSS
—
EPSS
3%
Percentile
88.3
In the wild
Unconfirmed
What it is

⚠️ A clever local network access could let attackers execute commands as root on your Cisco DPC3939 devices! 🔥 Think of it like a hotel where anyone with a keycard can sneak into the back office and start changing the locks! It’s a breach of trust that shouldn't happen. If exploited, an attacker could manipulate your device remotely, potentially accessing and altering critical settings—imagine someone changing your Wi-Fi password or even spying on your network traffic. This could lead to a catastrophic loss of privacy and security for your entire home or business!

Put simply

Think of it like a hotel where anyone with a keycard can sneak into the back office and start changing the locks! It’s a breach of trust that shouldn't happen. This vulnerability allows remote attackers with local network access to connect to the syseventd server, enabling them to execute arbitrary commands as the root user. This means they can alter configurations and access sensitive information stored on the device.

What to do

If exploited, an attacker could manipulate your device remotely, potentially accessing and altering critical settings—imagine someone changing your Wi-Fi password or even spying on your network traffic. This could lead to a catastrophic loss of privacy and security for your entire home or business! To safeguard your device, ensure you update your firmware to the latest version recommended by your ISP. Additionally, consider restricting access to your local network and monitoring connected devices for any suspicious activity. You've got this! By taking these steps, you can keep your network secure and prevent any unauthorized access! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03275 · 88.3th percentile
Published
2017-07-31T03:00Z
EPSS history
Timeline
  • 31 JUL 03:00Z
    The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices allows remote attackers to execute arbitrary…
    cvelistv5