Vulnerability in Cisco Dpc3939
CVE-2017-9521
The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421733-160420a-CMCST); Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST); Cisco DPC3939B (firmware version dpc3939b-v303r204217-150321a-CMCST); Cisco DPC3941T (firmware version DPC3941_2.5s3_PROD_sey); and Arris TG1682G (eMTA&DOCSIS version 10.0.132.SIP.PC20.CT, software version TG1682_2.2p7s2_PROD_sey) devices allows remote attackers to execute arbitrary code via a specific (but unstated) exposed service. NOTE: the scope of this CVE does NOT include the concept of "Unnecessary Services" in general; the scope is only a single service that is unnecessarily exposed, leading to remote code execution. The details of that service might be disclosed at a later date.
EPSS: 0.033 (87.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Cisco Dpc3939
- Cisco Dpc3939b
- Cisco Dpc3939b_firmware — versions dpc3939b-v303r204217-150321a-cmcst
- Cisco Dpc3939_firmware — versions dpc3939-p20-18-v303r20421733-160420a-cmcst, dpc3939-p20-18-v303r20421746-170221a-cmcst
- Cisco Dpc3941t
- Cisco Dpc3941t_firmware — versions dpc3941_2.5s3_prod_sey
- Commscope Arris_tg1682g
- Commscope Arris_tg1682g_firmware — versions 10.0.132.sip.pc20.ct, tg1682_2.2p7s2_prod_sey
- N/a — versions n/a
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Mitigation)
Frequently asked questions
- What is CVE-2017-9521?
- CVE-2017-9521 is a critical-severity vulnerability in Cisco Dpc3939. CVSS score: 9.8/10. Published 2017-07-31.
- How severe is CVE-2017-9521?
- Critical severity. CVSS v3 base score is 9.8 out of 10.