8.8

CVE-2017-9488: cisco dpc3939_firmware Use of Hard-coded Credentials

CVSS: 8.8v3.0HighModified
Published 31-07-2017Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-9488 is a high (CVSS 8.8) Use of Hard-coded Credentials vulnerability in cisco dpc3939_firmware. EPSS estimates a 1.27% chance of exploitation in the next 30 days, higher than 69.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
45/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.0 (NVD)
EPSS score
1.27%
0%100%
Low · +0.21 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 31-07-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.27%

Chance of exploitation in the next 30 days

Percentile

70%

Versus all other CVEs

30-day change

+0.21 pp

From 1.06% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.27%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Cabletap

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Cisco2 products

1 vendor · 2 products

References

1 links