High severity7.5NVD Advisory· Published Jul 31, 2017· Updated Jun 17, 2026
CVE-2017-9485
CVE-2017-9485
Description
The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices allows remote attackers to write arbitrary data to a known /var/tmp/sess_* pathname by leveraging the device's operation in UI dev mode.
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Affected products
2- cpe:2.3:o:cisco:dpc3939_firmware:dpc3939-p20-18-v303r20421746-170221a-cmcst:*:*:*:*:*:*:*
- Range: = dpc3939-P20-18-v303r20421746-170221a-CMCST
Patches
Vulnerability mechanics
References
1- github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-28.session-cookie-write.txtnvdExploitThird Party Advisory
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