Vulnerability in Technicolor Dpc3928sl
CVE-2017-5135
Certain Technicolor devices have an SNMP access-control bypass, possibly involving an ISP customization in some cases. The Technicolor (formerly Cisco) DPC3928SL with firmware D3928SL-P15-13-A386-c3420r55105-160127a could be reached by any SNMP community string from the Internet; also, you can write in the MIB because it provides write properties, aka Stringbleed. NOTE: the string-bleed/StringBleed-CVE-2017-5135 GitHub repository is not a valid reference as of 2017-04-27; it contains Trojan horse code purported to exploit this vulnerability.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.175 (97.0th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.175 · newest: 0.175 · change: 0.000
Affected products
- Technicolor Dpc3928sl
- Technicolor Dpc3928sl Firmware — versions d3928sl-p15-13-a386-c3420r55105-160127a
Public proof-of-concept exploits
References
- stringbleed.github.io/ (Technical Description, Third Party Advisory)
- www.securityfocus.com/bid/98092 (VDB Entry, Third Party Advisory, vdb-entry)
- www.reddit.com/r/netsec/comments/67qt6u/cve_20175135_snmp_authentication_bypass/ (Third Party Advisory, Press/Media Coverage)
Frequently asked questions
- What is CVE-2017-5135?
- CVE-2017-5135 is a critical-severity vulnerability in Technicolor Dpc3928sl. CVSS score: 9.1/10. Published 2017-04-27.
- How severe is CVE-2017-5135?
- Critical severity. CVSS v3 base score is 9.1 out of 10.
- Is CVE-2017-5135 known to be exploited?
- 12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.