CVE-2020-24214

CRITICAL

HiSilicon box - Buffer Overflow

Title source: llm

Description

An issue was discovered in the box application on HiSilicon based IPTV/H.264/H.265 video encoders. Attackers can send a crafted unauthenticated RTSP request to cause a buffer overflow and application crash. The device will not be able to perform its main purpose of video encoding and streaming for up to a minute, until it automatically reboots. Attackers can send malicious requests once a minute, effectively disabling the device.

Exploits (1)

exploitdb WORKING POC

by Alexei Kojenov · bashwebappshardware

https://www.exploit-db.com/exploits/48903

View Code ZIP pw:eip

References (3)

[Exploit, Third Party Advisory] http://packetstormsecurity.com/files/159605/HiSilicon-Video-Encoder-Buffer-Overflow-Denial-Of-Service.html

[Exploit, Third Party Advisory] https://kojenov.com/2020-09-15-hisilicon-encoder-vulnerabilities/

[Third Party Advisory, US Government Resource] https://www.kb.cert.org/vuls/id/896979

Scores

CVSS v3 9.8

EPSS 0.3574

EPSS Percentile 97.1%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

Status published

Products (7)

jtechdigital/h.264_iptv_encoder_1080p\@60hz_firmware

provideoinstruments/vecaster-4k-hevc_firmware

provideoinstruments/vecaster-hd-h264_firmware

provideoinstruments/vecaster-hd-hevc_firmware

provideoinstruments/vecaster-hd-sdi_firmware

szuray/iptv\/h.264_video_encoder_firmware

szuray/iptv\/h.265_video_encoder_firmware

Published Oct 06, 2020

Tracked Since Feb 18, 2026