CVE-2017-9482: cisco dpc3939_firmware
CVSS: 10.0v2.0HighModified
Published 31-07-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-9482 is a high (CVSS 10.0) vulnerability in cisco dpc3939_firmware. EPSS estimates a 2.53% chance of exploitation in the next 30 days, higher than 84.7% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
10.0/10
010
High · v2.0 (NVD)EPSS score
2.53%
0%100%
Low · +0.16 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 31-07-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices allows remote attackers to obtain root access to the Network Processor (NP) Linux system by enabling a TELNET daemon (through CVE-2017-9479 exploitation) and then establishing a TELNET session.
CVSS metrics
2 scores · 1 source · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 10.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
2.53%
Chance of exploitation in the next 30 days
Percentile
85%
Versus all other CVEs
30-day change
+0.16 pp
From 2.38% on 21-09-2026
21-09-202621-10-2026
EPSS score2.53%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundCabletap
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Cisco1 product
- dpc3939_firmwaredpc3939-p20-18-v303r20421746-170221a-cmcst
1 vendor · 1 product
References
1 links- github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-25.atom-telnet.txtX Refsource MISCExploitThird Party Advisory