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Vulnerability record · CVE-2020-24214 · published 6 October 2020

CVE-2020-24214: Szuray iptv\/h.264 video encoder firmware vulnerability

Szuray · Iptv\/H.264 Video Encoder Firmware

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.

9.8 CVSS 3.1 Critical EPSS 35% · top 1.6%
9.8CVSS 3.1 base score, v2 7.5
35%EPSS exploitation probability, 30 days
NoNot in CISA KEV
7Affected product versions listed by NVD
6References, 4 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

7 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/159605/HiSilicon-Video-Encoder-Buffer-Overflow-Denial-Of-Service.html ExploitThird Party Advisory
https://kojenov.com/2020-09-15-hisilicon-encoder-vulnerabilities/ ExploitThird Party Advisory
https://www.kb.cert.org/vuls/id/896979 Third Party AdvisoryUS Government Resource
http://packetstormsecurity.com/files/159605/HiSilicon-Video-Encoder-Buffer-Overflow-Denial-Of-Service.html ExploitThird Party Advisory
https://kojenov.com/2020-09-15-hisilicon-encoder-vulnerabilities/ ExploitThird Party Advisory
https://www.kb.cert.org/vuls/id/896979 Third Party AdvisoryUS Government Resource

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2020-24217Szuray iptv\/h.264 video encoder firmware missing authentication for critical function vulnerabilityAn issue was discovered in the box application on HiSilicon based IPTV/H.264/H.265 video encoders. The file-upload endpoint does not enforce authenti…EPSS 40%9.8CVE-2020-24215Szuray iptv\/h.264 video encoder firmware hard-coded credentials vulnerabilityAn issue was discovered in the box application on HiSilicon based IPTV/H.264/H.265 video encoders. Attackers can use hard-coded credentials in HTTP r…EPSS 20%7.5CVE-2020-24216Szuray iptv\/h.264 video encoder firmware vulnerabilityAn issue was discovered in the box application on HiSilicon based IPTV/H.264/H.265 video encoders. When the administrator configures a secret URL for…EPSS 2.1%

Source: NIST National Vulnerability Database (record CVE-2020-24214), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.